You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Christopher Gonzalez.

ASSISTANT: How can I assist you?

USER: I am planing to travel from ORD to DEN.

ASSISTANT: Ok, may I know your trip dates?

USER: My travelling dates are 05/12 to 05/14.

ASSISTANT: I have searched a flight ticket with 1010 as flight number and fare 100.

USER: Proceed for booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.