You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Elizabeth King, can you help me to book a flight from CLT to IAH?

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

USER: My travelling dates are 04/18 and 04/20.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight with price 300, can I book it?

USER: Proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1028.

USER: Thank you.

ASSISTANT: You are welcome.