You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I would like to meet my client at San Francisco, please help me in booking a ticket from IAD to SFO.

ASSISTANT: Ok, I am here to help you with that. Can I know your planned trip dates?

USER: I would like to plan my journey on May 26 and return on May 28.

ASSISTANT: Ok, is there any other specifications?

USER: I would like to return in the afternoon.

ASSISTANT: May I know your good name?

USER: My name is Catherine Hall.

ASSISTANT: Ok, wait for a minute.

USER: Sure, take your time.

ASSISTANT: The Frontier airlines are providing a flight having a connection limit 1. Can I proceed with the ticket booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your flight ticket is confirmed in an economy class and the flight number 1008.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.