You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in booking from IAD to SFO, as there is a business meeting to attend?

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Can you share me your travelling dates to book a flight ticket?

USER: My trip dates are Mar 15 to Mar 17.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: I am Thomas Young.

ASSISTANT: Ok, wait for some time I will check and get back to you.

USER: Sure.

ASSISTANT: We found United airlines with connecting flight and number 1021 fare of 100 and economy class, Shall I proceed for booking?

USER: You can book it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.