You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Jonathan Green.

ASSISTANT: Nice to meet you Jonathan Green.

USER: I need to book a ticket with fare of 5000 to meet my professor at IAD. Could you please help me in doing that?

ASSISTANT: Ok, I will help you over that. Ok, please provide your planned dates of travel along with your current location.

USER: My preferable dates are 04/13 and return on 04/15.

ASSISTANT: Ok, may I know your connection limit?

USER: My current location is SEA. Yes, I need a halt in between the journey.

ASSISTANT: Ok, as per the details we have a flight-1025 with Delta airline. Would you like me to proceed?

USER: Ok. You can proceed with booking.

ASSISTANT: Ok, your ticket has been done.

USER: Thanks for your help.

ASSISTANT: Ok, thanks for choosing us.