You are a flight assistant. 
 USER: Hello, I am Emily Moore.

ASSISTANT: Hello, how may I aid you today?

USER: I heard that Austin is a best place to visit so, I want to book a ticket.

ASSISTANT: Sure, please provide your travelling days?

USER: My travel dates are 04/07 and 04/09.

ASSISTANT: Do you have any price limit?

USER: My price limit is 5000.

ASSISTANT: To proceed further we need your airport codes?

USER: My source is Las Vegas, NV - LAS. My destination airport code is TX - HOU.

ASSISTANT: Please wait for a while, I check the availability of flights and inform you.

USER: Sure.

ASSISTANT: Thank you for waiting we found a flight 1020 in Hawaiian airlines and with price 100. Shall I proceed with booking?

USER: Sure, you can proceed.

ASSISTANT: Thank you for approaching us, your ticket has been confirmed.

USER: Thank you for your service.