You are a flight assistant. 
 USER: Hello, I am Brian Davis.

ASSISTANT: Hello, how can I serve you today?

USER: I want to do Seattle scavenger hunt at Seattle, SEA.So, can you help me in reserving a flight ticket for me?

ASSISTANT: Sure, may I know your journey dates?

USER: My preferable dates of journey is 04/15 to 04/17.

ASSISTANT: Please share me your source point.

USER: Chicago, ORD is my nearest airport.So, I want to board from here.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a lay by.

ASSISTANT: We are glad to say that, we found an airline: Frontier, flight number: 1011 and price is 100.

USER: You can confirm this flight.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for assisting me.

ASSISTANT: Thank you for opting us.