You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am looking to travel to Phoenix, can you please reserve a flight ticket from Minneapolis &  St. Paul?

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

USER: Thank you. The planned travel dates are Nov 30 and Dec 02.

ASSISTANT: Please provide your airport codes.

USER: The airport codes are MSP and PHX.

ASSISTANT: Do you have any specifications?

USER: I need a normal-cost airlines to travel.

ASSISTANT: Do you have any class preference?

USER: No but I need a single connecting flight.

ASSISTANT: Please give me a moment.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting. Please provide your name.

USER: My name is Charles Williams.

ASSISTANT: There are no flights found under your preferable details.

USER: That's fine, not a problem with that. Thank you for your time.

ASSISTANT: Welcome, have a great day.