You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Edward Nelson here. Can you please help me in making an airline reservation from SFO to HOU?

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

USER: My travel dates are July 4th and July 6th.

ASSISTANT: Is there any connection limit.

USER: Yes, I need a flight with single connection.

ASSISTANT: Do you have any class preference?

USER: I prefer to travel in business class.

ASSISTANT: Are there any more preferences?

USER: The depart time should be morning.

ASSISTANT: May I know your name please?

USER: I already mentioned above.

ASSISTANT: My bad. Just a moment please?

USER: Sure.

ASSISTANT: I regret to inform that there are no flights on your route with the given dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.