You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to reserve my ticket from MSP to DFW, can you please help me in booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travel dates?

USER: Sure, my planned dates of journey are from Feb, 18 to Feb, 20.

ASSISTANT: Do you need any whistle stop in your journey?

USER: Yes, I want a connecting flight to fly.

ASSISTANT: Is there any class preference for you?

USER: I am ok with any class preference.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Kathleen Anderson.

ASSISTANT: Do you have any other preferences?

USER: Not required.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for reaching us.