You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Wilson.

ASSISTANT: How can I help you?

USER:  I need to attend workshop in Smithsonian Institution at Oakland, OAK. Could you please help me in booking a ticket with fare of 1000?

ASSISTANT: Sure, may I know your source code?

USER: My source code is New York JFK.

ASSISTANT: Help me with your travel dates?

USER: I want to travel on 08/25, and need to catch return flight on 08/27.

ASSISTANT: Thank you for your details, we found a flight in an airline Delta with fare  of 200 having a single connection. Shall I proceed?

USER: Fine, you can proceed with booking.

ASSISTANT: Your flight ticket has been booked with number 1026.

USER: Thank you for your kind help.

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