You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I serve you today?

USER: I would like to visit Oakland Museum of California, will you help me to book a connecting flight to OAK?

ASSISTANT: Sure, I will help you in booking a flight ticket. When would you like to travel?

USER: Thanks. I will travel on 01/02 and intend to return on 01/04.

ASSISTANT: Could you please help me with your source code?

USER: Sure, my source code is Charlotte, NC - CLT.

ASSISTANT: Do you need any restrictions on price limit?

USER: Yes, I need a costlier flight in which price is 1000.

ASSISTANT: We are glad to inform you that there is a flight found with Spirit airline of flight 1007 and fare is 100.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.