You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, may I know your good name?

USER: Myself Sarah Miller.

ASSISTANT: How can I serve you?

USER: I want to book a flight ticket to attend emergency surgery in Houston, TX - HOU. Can you book a flight ticket with price of 5000?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will depart on 05/13 and arrival on 05/15.

ASSISTANT: Please share me your source point.

USER: My origin is from Atlanta, GA - ATL.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found an airline: AA, flight number: 1028 with a single connection and price is 200. Shall I proceed to booking?

USER: Yes, you can.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.