You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Gary Jones. Book a ticket from PHL to DFW, for attending a marriage of my friend.

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my trip dates 07/29 and 07/31.

ASSISTANT: There is a flight with price 100, can I book it?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with flight number 1010.

USER: Thanks for your help.

ASSISTANT: Thank you for approaching us.