You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER: Will you please assist me in booking a flight ticket from IAD to DFW?

ASSISTANT: Sure, could I have your journey dates, please?

USER: My travelling dates are July 22nd and July 24th.

ASSISTANT: May I know your good name?

USER: James Thomas.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: We found a connecting flight 1015 from American airline with a fare of 100.

USER: Please proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you.