You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Andrew Lee here.

ASSISTANT: Can you please tell me for what kind of service you approached us?

USER: I want to see art exhibition in Walker Art Center which is in Minneapolis & St. Paul. So, can you book my ticket from OAK to MSP?

ASSISTANT: Sure, can you please tell me on what dates you need booking?

USER: Sure, my travelling dates are from 02/10 to 02/12.

ASSISTANT: The Frontier airline with flight number 1009 is available having price as 100 and connection as 1. Shall I proceed booking?

USER: That's perfect. Please proceed this.

ASSISTANT: Ok. Lee, your reservation is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us, have a safe flight.