You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please find a flight for my business trip from DCA to DFW?

ASSISTANT: Sure, I am glad to help you with that. Can I know your travelling dates?

USER: My journey dates are form May 20th to May 22nd.

ASSISTANT: Do you have any other requirements?

USER: I need economy class reservation.

ASSISTANT: May I know your name?

USER: My name is Timothy Walker.

ASSISTANT: There is a flight  with the connection limit 1 in the American airlines and the ticket cost is 100. Shall I proceed to reserve an economy class flight ticket?

USER: Ok, please proceed with booking my reservation with this flight.

ASSISTANT: Your ticket is reserved with the flight number 1000 which is depart at 2:00 and return at 9:00 AM.

USER: Thank you for your humble assistance with booking.

ASSISTANT: Thank you for reaching us. Have a safe journey.

USER: You are most welcome.