You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to travel from IAH to HOU, can you please help me in flight booking?

ASSISTANT: Sure, may I know your good name?

USER: My name is Sarah Rodriguez.

ASSISTANT: On which dates are you going to travel?

USER: I want to fly on Apr 04, return on Apr 06.

ASSISTANT: Sure, may I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: My return time should be morning.

ASSISTANT: Ok, wait a minute.

USER: Sure, I want economy class flight ticket. And I need a connecting flight.

ASSISTANT: Sorry, there are no flights available on your request.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.