You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Larry Baker. I have a plan to meet my friend in Houston, can you help me in booking?

ASSISTANT: Sure, may I know your location airport codes?

USER: My airport codes are AUS and IAH.

ASSISTANT: Please share your travel dates?

USER: My travelling dates are 06/20 and 06/22.

ASSISTANT: Here I didn't find any flight in your route.

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

ASSISTANT: Sorry for inconvenience.

USER: Ok.

ASSISTANT: Thank you for reaching us.

USER: Welcome.