You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Can you please check the availability of flights from DEN to HOU to attend for a meeting?

ASSISTANT: Sure, on what dates will you be travelling?

USER: I have a plan to travel on July 24 and return on July 26.

ASSISTANT: How many connections are required?

USER: I need a connected flight.

ASSISTANT: Is there any other requirements?

USER: I prefer to travel in economy class.

ASSISTANT: May I know your name?

USER: Sure, my name is Matthew Baker.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting Matthew Baker, we regret to inform that there are no flights available in economy class.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for opting us.