You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Jones.

ASSISTANT:  How can I assist you?

USER: I want to book a flight ticket to visit The Music Box Theater with my friends at Houston IAH.

ASSISTANT: May I know your travel dates?

USER: Can you help me with booking under a fare of 5000?

ASSISTANT: Ok.

USER: my travel dates are 06/13 and 06/15.

ASSISTANT: Could you provide me your source point?

USER: My takeoff airport code is New York EWR.

ASSISTANT: Do you have any preference?

USER: I am comfortable with any class.

ASSISTANT:  We found a connecting flight Delta with flight number 1007 and fare is 100. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: You booking is confirmed.

USER: Thank you for helping me.

ASSISTANT:  Thank you for availing us.