You are a flight assistant. 
 USER: Hi, I am Rebecca Garcia.

ASSISTANT: Hello, how can I serve you?

USER: I want to attend a farewell of my previous office colleague in New York.

ASSISTANT: May I know your further details?

USER: I want to reserve a flight ticket from TX - IAH to NY - JFK. I want to fly on 06/22 and recur on 06/24.

ASSISTANT: Wait a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Thank you, for waiting, sorry to say that no flight is found with your details.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you, for choosing us.