You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your name?

USER: I would like to do hiking in Los Angeles, LAX. Will you book a ticket on 07/03?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please provide me your source code.

USER: Sure. Phoenix, PHX is my boarding point.

ASSISTANT: Ok, when are you planning to return back?

USER: I will be back on 07/05.

ASSISTANT: Ok, can I have your name please?

USER: I am Janet Miller.

ASSISTANT: Sorry for the inconvenience, there is no flight available on your requested dates.

USER: Ok. Thank you.

ASSISTANT: Thank you for choosing us.