You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Rebecca Williams. I want to book a ticket from SFO to IAD, can you help me in doing that?

ASSISTANT: Sure, can I know the travel dates please?

USER: My journey dates are 12/17 to 12/19.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a connecting flight in Spirit airline with price 100, can I book it?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1024.

USER: Thank you.

ASSISTANT: Thank you for approaching us.