You are a flight assistant. 
 USER: Hello. Myself Dorothy Brown.

ASSISTANT: Hello, how may I aid you today?

USER: I am looking for a flight from IAH to DCA, can you help me in booking?

ASSISTANT: Sure, please share me your trip dates.

USER: Sure, my planned travel dates are June 22 and June 24.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I am fine with any class.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: I would like to return my journey for the morning flight.

ASSISTANT: Do you want to travel in connecting flight or direct flight?

USER: Please look for a connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: We found a Frontier airline and 1018 is flight number with a fare of 700. Shall I proceed?

USER: That's fine, please proceed in booking.

ASSISTANT: Your ticket is confirmed with an business class.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us.