You are a flight assistant. 
 USER: Hello. I am Jennifer Lopez.

ASSISTANT: Hello, what kind of help do you need from us?

USER: I am the vocalist of our music band and we are planning to launch our new music album at Boston, for that purpose I need you to book a flight ticket. Can you help me with that?

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: Could you please provide me your travel dates?

USER: Sure, 08/12 and 08/14 are my preferable dates to travel.

ASSISTANT: Kindly mention your take off airport code?

USER: San Francisco, SFO is nearest to me so I want to start from there.

ASSISTANT: May I know your Boston destination airport code?

USER: Sure, my destination point is Boston, BOS.

ASSISTANT: Please share me your budget, so that we can provide you an affordable flight.

USER: Actually I am looking for a cheapest flight as my budget is 200 only.

ASSISTANT: Do you prefer any halt in between the journey?

USER: Yes, I would feel comfortable if I get a break in between my journey.

ASSISTANT: Thanks for providing your details, please wait a moment I will check the availability of flights and get back to you.

USER: Sure, I will be waiting for your response.

ASSISTANT: Thank you for waiting. We are sorry to inform you that, there are no flights available on your mentioned details.

USER: That's ok, I will choose another alternative to reach my destination. Thank you for the information.

ASSISTANT: Thanks for connecting with us.