You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: Deborah Lewis here. I want to travel from OAK to LAS, can you help me out?

ASSISTANT: Your travelling dates please?

USER: My planning dates are 09/28 and 09/30.

ASSISTANT: There is a flight with single connection, can I proceed for booking in 1009 flight?

USER: Proceed to booking.

ASSISTANT: Your booking is done in Spirit airlines.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.