You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Welcome to our agency, how may I help you?

USER: I have an urgent client meeting to attend at Washington. Can you help me in booking a ticket from San Francisco?

ASSISTANT: Sure, I am glad to help you. Since there are plethora of airports in your source and destination locations, which airports do you prefer?

USER: Yes, the nearest airport to my location is SFO and I would like to reach IAD terminal as it is very near to my office.

ASSISTANT: May I know your name please to proceed further?

USER: Sure, my name is Betty Robinson.

ASSISTANT: When are you planning your journey?

USER: I am planning my journey on 07/06.

ASSISTANT: Do you have any plans for return journey?

USER: Yes, I do. Please book the return ticket on 07/08.

ASSISTANT: Please give me a minute.

USER: Ok, also make sure the flight has 0 connections.

ASSISTANT: Betty, there are no flights has been found with your preferences.

USER: That's fine, thank you for the information.

ASSISTANT: Thank you for choosing us.