You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Shirley White here, I want to reserve my ticket from SFO to PHX, can you please help me?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates?

USER: Sure, my preferable dates of 07/29 to 07/31.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: Flight 1002 of AA airlines is available for you, shall I proceed with booking?

USER: Ok, please go ahead with this ticket booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome.