You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: There is a party held at Seattle, I would like to book a ticket.

ASSISTANT: May I know your respective airport codes please?

USER: Sure, my airport codes are from LAX to SEA.

ASSISTANT: To proceed further, may I know your name please?

USER: My name is Laura Green.

ASSISTANT: When are you planning your journey, Green?

USER: I planned to travel on 02/08 to 02/10.

ASSISTANT: There is a flight with Frontier airlines available matching with your requirements. Shall I book the ticket for you?

USER: Ok, please proceed my booking.

ASSISTANT: Your ticket is confirmed with flight number 1000.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us.