You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Paul Williams here.

ASSISTANT: How can I assist you today?

USER: Actually, I am looking for a direct flight, because there is an emergency in my travel location, can you please help me out with booking of a direct flight?

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

USER: Sure, I am planning to go on 01/30 and please book a return flight ticket on 02/01.

ASSISTANT: Please provide your airport codes that you want to travel.

USER: I want to travel from DFW to MSP.

ASSISTANT: Please hold on a moment.

USER: Sure, take your time to check.

ASSISTANT: Thank you for waiting. Unfortunately, there is no direct flight is available as per your requested details.

USER: Oh, it's sad to hear, I will choose another airlines to go there. Anyways, thank you for the information.

ASSISTANT: Would you like to ask anything else?

USER: Nothing, thank you.

ASSISTANT: Welcome, have a great day.

USER: Welcome.