You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Rachel Taylor here. I would like to book a ticket from DEN to LAX, can you please help me with that?

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

USER: The travel dates are from 12/24 to 12/26.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

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

USER: Please proceed with that.

ASSISTANT: Your ticket has been booked with flight number 1011.

USER: Thank you.

ASSISTANT: Thank you for approaching us.