You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am looking for a connecting flight, could you please help me with finding a flight ticket with my requirement?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I would like to depart on Jan 22nd and return on Jan 24th.

ASSISTANT: Ok, could I have your name please?

USER: I am Dorothy Anderson.

ASSISTANT: Ok, may I know your location airport codes?

USER: My source airport code is LAS and destination airport code is MSP.

ASSISTANT: Ok, please allow me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no flight on your requested travelling dates.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: You are welcome, have a great day.