You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Can you help me to book a flight ticket from PHL to MSP?

ASSISTANT: Sure, can I know your trip dates?

USER: Jan, 3 and Jan, 5 are my travel dates.

ASSISTANT: Do you have any connection limit?

USER: I would prefer single connection.

ASSISTANT: Are there any other specifications?

USER: I would prefer to fly with normal cost airlines only with economy class.

ASSISTANT: Can I have your good name?

USER: Frank Davis here.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us.