You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I amend you at this moment?

USER: I would like to book a flight ticket with a price of 200 from Minneapolis & St.Paul to Las Vegas. Can you help me in this?

ASSISTANT: Sure, I am euphoric to help you. Can you help me with your source and destination airport codes?

USER: My airport codes are from MN - MSP to NV - LAS.

ASSISTANT: What are your preferable travelling dates?

USER: My trip dates are 05/28 - 05/30.

ASSISTANT: Please wait, let me search you the best flight.

USER: Sure.

ASSISTANT: We found a Frontier airline, with fare of 100 available on your travel dates.

USER: Please reserve me a seat.

ASSISTANT: On what name do I need to book the ticket?

USER: I am Edward Turner.

ASSISTANT: Ok, Your ticket is confirmed with 1011 flight.

USER: Thank you.

ASSISTANT: Thanks for reaching us.