You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Joshua Collins, planning to attend for food festival which is going to held at Chicago, ORD. So, can you please help me in booking a flight ticket with fare 1000?

ASSISTANT: Sure, I will help you. When are you planning to travel?

USER: I am planning to travel on 08/11 to 08/13.

ASSISTANT: Please provide your origin airport code.

USER: My boarding point is San Francisco, SFO.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Delta airlines with single connection and price is 100 of 1020 flight. Shall I proceed for booking?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your response in booking flight ticket.

ASSISTANT: Thank you.