You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me in changing my recent reservation?

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: Thank you. I am Samuel Hill.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name. Can you please share your travelling dates?

USER: My trip dates will be Aug 5th to Aug 7th.

ASSISTANT: Ok, may I know your airport codes please?

USER: My airport codes will be HOU to AUS.

ASSISTANT: Do you have connection limit?

USER: I need a connecting flight.

ASSISTANT: Please share your specifications.

USER: No.

ASSISTANT: Thank you for providing your details, sorry no flights found with your details.

USER: Its ok, thank you.

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