You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Michael Edwards.

ASSISTANT: How can I help you today?

USER: Please help me to book a flight ticket from MSP to PHL.

ASSISTANT: Sure, please mention your planning dates.

USER: My journey dates are from Jan, 22 to Jan, 24.

ASSISTANT: Do you have any class preference?

USER: I need a economy class to fly.

ASSISTANT: Can you share me your depart and return time?

USER: I need to return in the afternoon.

ASSISTANT: Is there any other specifications?

USER: I need a single connecting flight.

ASSISTANT: Sorry, no flights are found on your travel dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.