You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself David Scott. Can you please help me with flight ticket booking from Minneapolis?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Sure, I need to travel on dates of 12/29 and 12/31.

ASSISTANT: Sure, please provide your airport codes that you want to travel.

USER: Sure, I need to travel from MSP to JFK.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: Oh! It's ok fine, no problem. Anyway, thank you for your time.

ASSISTANT: Welcome, have a great day.