You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me in booking my flight ticket from DEN to DEN?

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

USER: I am Christine Moore, my travelling dates are 03/27 and 03/29.

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

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1004.

USER: Thank you.

ASSISTANT: Thank you for approaching us.