You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Christopher Thompson.

ASSISTANT: Ok.

USER: I am planning to attend for my grand parents 60th wedding anniversary on 10/27. Can you please book a connecting flight ticket?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: When are you willing to coming back?

USER: I intend to return on 10/29.

ASSISTANT: May I know your boarding and landing points?

USER: My boarding will be from Oakland, OAK. Chicago, ORD is my landing airport.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a flight 1009 in Frontier airline and price 100 with a connection. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.