You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What would I guide for you?

USER: Myself Andrew Lewis. I want a reservation from LGA to PHX for attending my engagement, can you help me?

ASSISTANT: Ok, may I know your dates of journey for your engagement?

USER: My travel dates are from 08/24 to 08/26.

ASSISTANT: Sorry to say this, there is no flight on your preferable dates.

USER: No issues, thanks for checking.

ASSISTANT: Thank you for reaching out here.

USER: You are welcome.