You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Sharon Brown. I want to attend my sister's wedding at ATL. Can you help me in booking from HOU?

ASSISTANT: May I know your desired travel dates please?

USER: My travelling dates are from Jan 27 to Jan 29.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: Ok, No issues.

ASSISTANT: Thank you for opting us.

USER: Thank you.