You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me in booking from DCA to LAS?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from Apr 9 to Apr 11.

ASSISTANT: Can I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Please let me know your name?

USER: My name is Laura Roberts.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: There is a flight found matching your details, American  as airlines  and ticket fare is 300 in economy class with single stopover. Shall I proceed with booking?

USER: Ok, proceed.

ASSISTANT: Your ticket is confirmed with 1007 flight number.

USER: Thank you.

ASSISTANT: Most welcome.