You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Gregory Hernandez.

ASSISTANT: Glad to meet you Gregory Hernandez.

USER: Can you find a flight for me from PHX to AUS, hope you are helping me out.

ASSISTANT: Sure, I will help you with that, can you provide your trip date to search best flight for you.

USER: Sure, my trip dates should be 09/05 and 09/07.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Sorry for this inconvenience, I could not find any flight for you with your travel dates.

USER: It's ok, thanks for your information.

ASSISTANT: It's my pleasure.