You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Susan Harris. Can you help me in booking from IAH to LAX, as there is a business meeting to attend?

ASSISTANT: Sure, can I know the travel dates please?

USER: My trip dates are Jul 23 to Jul 25.

ASSISTANT: Do you have any requirements?

USER: I prefer a connecting flight which depart and return in morning.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

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

USER: No issue, thank you.

ASSISTANT: Thank you for approaching us.