You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to book a flight ticket from Boston BOS to New York EWR. Can you find a flight ticket for me?

ASSISTANT: Sure, we are here to help you. Can you share me your travel dates?

USER: Thank you. My planned trip dates are on July 30 and return on Aug 01.

ASSISTANT: Do you need any break in your journey?

USER: Yes, I need a direct flight.

ASSISTANT: Is there any specific time to travel?

USER: No, but I want a normal cost flight to travel.

ASSISTANT: May I know your good name please?

USER: Yes, I am Melissa Collins.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Sorry to inform you that, there are no flights available on your requested dates.

USER: Ok, not an issue.

ASSISTANT: Thank you for opting us.

USER: Thank you for your valuable information.