You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I am Richard Adams. Can you please find a flight from HOU to attend a meeting in DCA?

ASSISTANT: Sure, may I know your journey dates?

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

ASSISTANT: Please share me your connection limit.

USER: I am comfortable with any flight.

ASSISTANT: Do you have any particular time for departing and returning?

USER: My depart time in the afternoon.

ASSISTANT:  Is there any class preference for you?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: Delta, flight number: 1025 and price is 700 with one connection.

USER: Ok, proceed.

ASSISTANT: Your flight ticket has been reserved in business class. Your departure time is 17:00PM.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.