You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to travel from DEN to IAH as a holiday trip. Can you do the reservation?

ASSISTANT: Sure, may I know your good name?

USER: Samuel Thomas here.

ASSISTANT: Could I have your journey dates, please?

USER: My trip dates are 07/25 and 07/27.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Is there any other specifications?

USER: Return time should be morning.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: We found a connecting flight 1001 from Southwest airline has fare 1000, the arrival time is 10:00 AM. Shall I proceed?

USER: Go ahead.

ASSISTANT: Your ticket has been confirmed in business class.

USER: Thank you.

ASSISTANT: Thank you for availing us.