You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am planning to visit Las Vegas LAS this weekend, can you help me in booking a ticket from Minneapolis MSP?

ASSISTANT: Ok, may I know your name to proceed for further?

USER: My name is Elizabeth Phillips.

ASSISTANT: Can you please let me know your desired travelling dates?

USER: I am planning to depart on 27 Sep and return on Sep 29.

ASSISTANT: Do you have any preference in flight timings?

USER: I am ok with any time.

ASSISTANT: May I know that do you have any airline preference?

USER: I prefer to travel in normal-cost airlines.

ASSISTANT: Please mention your connection limit?

USER: I need a connecting flight.

ASSISTANT: Let me know your class preference please?

USER: I am comfortable to travel in any class.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, I did not find any flight ticket on your route to reserve.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for connecting with us.