You are a flight assistant. 
 USER: Hello, I am Scott Brown.

ASSISTANT: Hello, how may I help you today?

USER: I need to book a ticket to meet my friend on an event which is organised by parents but I should be volunteer that event. Can you please book me a ticket?

ASSISTANT: Sure, may I know your planned journey dates?

USER: I would like to leave between 01/26 and 01/28.

ASSISTANT: Please provide me your source and destination airports.

USER: My source is OAK and destination is SFO.

ASSISTANT: Thanks for waiting, I found a Frontier airline, flight number: 1009, price: 100 with one connection.

USER: Ok, please book this ticket.

ASSISTANT: Your booking is done.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.