You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Cynthia Edwards here. Reserve a flight ticket that is from PHX to LAX.

ASSISTANT: Sure, can you please mention your dates of travel.

USER: My travel dates are 05/02 to 05/04.

ASSISTANT: Sorry, there is no flight for you with your requirements.

USER: Ok, not a problem. Thank you.

ASSISTANT: Ok, thanks for consulting us.