You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Cynthia Garcia. I am planning to travel from PHX to CLT to attend my sister's wedding, could you please help me with booking a flight ticket?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I would like to take off on 08/07 and return on 08/09.

ASSISTANT: Sorry Garcia, there is no flight regarding your details.

USER: That's ok, no issues. Anyways, thank you for the information.

ASSISTANT: Most welcome.