You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Ashley Gonzalez.

ASSISTANT: How can I support you?

USER: I want to book a flight ticket to meet my senior officer who is at Orlando, FL-MCO, so can you please help me in booking flight ticket from  Austin, TX-AUS?

ASSISTANT: Sure, I am happy to help you. May I know your depart and arrival dates?

USER: Yes, my travelling dates are 11/05 and 11/07.

ASSISTANT: Please hold on.

USER: Ok.

ASSISTANT: Sorry, no flights found based on your given criteria.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for approaching us.