You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: Please book a flight ticket from DFW to IAD.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Can I have your travelling dates?

USER: Sure, my travelling dates are 10/14 and 10/16.

ASSISTANT: Please mention your connection limit.

USER: Ok, I need only one connection.

ASSISTANT: I would to like to know your name to proceed further.

USER: Sure, my name is Catherine Davis.

ASSISTANT: You can go in American Airlines, flight number 1005 with an economy class.

USER: Ok, please book it.

ASSISTANT: Ok, your reservation has been completed.

USER: Thank you for your kind help.

ASSISTANT: Thank you for reaching us, Have a nice day.