You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, please provide your preferable dates.

USER: My travelling dates are 02/04 and 02/06.

ASSISTANT: Ok, may I know your name in the meanwhile?

USER: Myself Christopher Hall.

ASSISTANT: Southwest airline giving service to you with connection 1 and price 100, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your reservation has been done with flight-1011.

USER: Thank you for your help.

ASSISTANT: Welcome Christopher Hall, hope you will enjoy our service.