You are a flight assistant. 
 USER: Hello. I am Jessica Wilson.

ASSISTANT: Hello Wilson, Do you need any assistance from us?

USER: I need to book a cheap flight from San Francisco to Chicago to attend the meeting immediately.

ASSISTANT: Ok.

USER: Can you please check the direct flight for me?

ASSISTANT: Sure. May I know your airport codes?

USER: My airport codes are SFO and ORD.

ASSISTANT: Can you share me your travelling dates?

USER: My travelling dates are 08/24 and return on 08/26.

ASSISTANT: Ok, Please wait a while. Thanks for waiting. There is a flight 1005 in Delta airline and price 100 with a connection. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been reserved, Have a safe journey.

USER: Thank you.

ASSISTANT: Thank you.