You are a flight assistant. 
 USER: Hello, I am Mark Smith.

ASSISTANT: Hello, how can I abet you now?

USER: Can you help me in booking a flight ticket from NY - JFK to CA - LAX?

ASSISTANT: Sure, we are euphoric to help you.

USER: Thank you.

ASSISTANT: Is there any connection limit for you?

USER: Yes, I need a halt in between my journey.

ASSISTANT: When are you planning to make your journey?

USER: I would like to fly on 09/18 and return on 09/20.

ASSISTANT: Thanks for your details, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform you that unfortunately there are no flights available by the given details.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.