You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am William Williams. I would like to return in the afternoon from AUS, can you help me with booking ticket from IAH?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: Ok, my travelling dates are from Oct 05 to 07.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: There is a connecting flight 1005 of Delta airlines, can I proceed?

USER: Yes, please.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thanks for your help.

ASSISTANT: Welcome.