You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you now?

USER: I am Thomas Lopez. Can you help me to find a flight from PHX to DFW to meet my uncle who was staying in Dallas?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: Actually, I am planning to travel on month of Feb 06 and 08.

ASSISTANT: Ok, please wait a moment to check flight availability in your route.

USER: Sure, take your own time.

ASSISTANT: Sorry Thomas Lopez, no flight is available to you on your dates due to some technical issues with airlines.

USER: That's fine, thanks for your information.

ASSISTANT: Thank you for choosing us, have a good day.