You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Susan Mitchell.

ASSISTANT: Ok.

USER: I want to book a ticket with the fare of 500, can you please book me a ticket?

ASSISTANT: Sure, may I know when you want to travel?

USER: I want to travel on 02/28 and return on 03/01.

ASSISTANT: Ok, please help me with your airport codes.

USER: My airport codes are from IAH to PHX.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting.

USER: No problem.

ASSISTANT: We found a flight with number 1015 and airline Delta at a price of 100 with 1 connection. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Sure, your booking is done.

USER: Thank you so much.

ASSISTANT: Thank you for the help. Have a nice day.