You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Nancy Allen here. Can you book my ticket from IAD to SFO?

ASSISTANT: Please tell us your travel dates for further process.

USER: My travelling dates are from 05/03 to 05/05.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight 1003 from JetBlue airlines available for you with 1 connection.

USER: Please book it.

ASSISTANT: Your booking is done successfully. Thank you for reaching us.

USER: Thank you.

ASSISTANT: Welcome.