You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

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

ASSISTANT: When you are willing to travel?

USER: Sure, my planned dates of journey are from Apr, 20 to Apr, 22.

ASSISTANT: Do you have any connection limit?

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

ASSISTANT: May, I know your good name?

USER: Sure, my name is Joseph Clark.

ASSISTANT: Do you have any other requirement?

USER: No.

ASSISTANT: Sorry, we found no flights on your given dates.

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

ASSISTANT: Thank you for reaching us.