You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Betty Moore.

ASSISTANT: How may I help you today?

USER: I am looking to book a flight ticket from AUS to IAH to meet my friend. Can you help me for booking a flight ticket?

ASSISTANT: Sure, I am here to help you in booking. Could you please share your travel dates?

USER: My travelling dates are 03/24 and 03/26.

ASSISTANT: Please hold on for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, no flights are available on your particular dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Welcome.