You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Jonathan Smith. I am planning to attend my sister marriage at Chicago IL-ORD, can you help me with booking?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my depart date is 04/11 and arrival date is 04/13.

ASSISTANT: Where would you like to leave from?

USER: I would like to leave from my nearest airport Phoenix AZ-PHX.

ASSISTANT: We found a flight on your details with airline Southwest, flight number: 1007.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you.