You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: James Clark here.

ASSISTANT: Ok, how can I help you?

USER: Reserve a flight ticket for me that is from PHX to LAX.

ASSISTANT: May I know your travelling dates?

USER: I am giving you my journey dates 10/02 to 10/04.

ASSISTANT: Sorry, no flights found with your dates.

USER: Ok, not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your information.