You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Andrew Harris here.

ASSISTANT: Ok.

USER: I want to go for a trip from SFO to ORD, can you please help me in ticket booking?

ASSISTANT: Sure, can I know travelling dates?

USER: My preferred dates are 06/16 and 06/18.

ASSISTANT: Ok.

USER: Please make sure that my price limit should be 500.

ASSISTANT: I had found a flight for you with a price of 100 and a connection of 0. Can I proceed?

USER: Ok, proceed.

ASSISTANT: Ok. Your ticket has been booked. The flight number is 1004 of JetBlue airlines.

USER: Ok, thank you for your support.

ASSISTANT: Thank you for reaching us.