You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please make a reservation in business class to attend a meeting in Houston?

ASSISTANT: Sure, may I know your name.

USER: My name is Mary Allen.

ASSISTANT: /Do you have any connection limit?

USER: Yes, I prefer one connection.

ASSISTANT: Can you please share your airport codes?

USER: My airport codes are, DCA to IAH.

ASSISTANT: On which dates you have planned to travel?

USER: My journey dates are on Jan 12th and 14th.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.