You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Could you please book a flight ticket from IAH to LAX?

ASSISTANT: Sure, may I know the travelling dates?

USER: My travelling dates are July 25 and July 27.

ASSISTANT: Do you have any connection limit?

USER: Yes, I am looking for a flight with one connection.

ASSISTANT: Is there any other requirements?

USER: I want to return in the morning.

ASSISTANT: May I know your name?

USER: My name is Jerry Williams.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, no flights found with your selected dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for availing us.