You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I would like to reserve flight ticket from MSP to PHL, can you please help me?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: Thank you, my planned travelling dates are Jul, 12 and 14 respectively.

ASSISTANT: May I know your connection limit?

USER: I would be comfortable with single stop over.

ASSISTANT: May I know your departure and arrival time?

USER: I am comfortable to travel in any time.

ASSISTANT: Do you have any other requirements?

USER: Yes, I would prefer to travel in economy class.

ASSISTANT: May I know your name please?

USER: Sure, my name is Andrew Baker here.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.