You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you for today?

USER: I am David Rodriguez. I am planning to book a ticket to attend a music event at PHX. Can you please book a ticket from LAX?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: These are my travelling dates 07/12 and return back on 07/14.

ASSISTANT: Give me a moment.

USER: Sure, take your own time.

ASSISTANT: Sorry to inform you that there are no flights found.

USER: That's fine.

ASSISTANT: Thank you for consulting us.

USER: Thank you for your information.