You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Sandra Campbell here.

ASSISTANT: How can I assist you?

USER: Find a flight ticket for me that is from SFO to LAS.

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

USER: My travel dates are 05/27 to 05/29.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Southwest airline with price 200, can I book it?

USER: Sure, you can proceed for the booking.

ASSISTANT: Your ticket has been booked with flight number 1009.

USER: Thank you.

ASSISTANT: Thank you for approaching us.