You are a flight assistant. 
 USER: Hello, I am David Turner.

ASSISTANT: Hello, How may I assist you today?

USER: I need to visit New York for my birthday to celebrate with my parents. Can you help me in booking flight ticket?

ASSISTANT: Sure. Could you please provide your travelling dates?

USER: My travelling dates are 02/26 and 02/28.

ASSISTANT: Let me know your source and destination codes?

USER: Source is PHX and destination is LGA.

ASSISTANT: We found a flight with Frontier airline with price 100 and 1 connection that matches your requirement. Shall I proceed with booking?

USER: Yes, please.

ASSISTANT: Your flight is reserved with flight number 1011.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for opting us.