You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Amy Harris. I am planning to visit Museum of Nature and Science at Denver, could you please help me with booking a flight ticket from PHL to DEN?

ASSISTANT: Sure, can you please share your travel dates?

USER: I would like to depart on Apr 8th and return Apr 10th.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: Make sure that my return time must be evening.

ASSISTANT: Amy Harris, there is a flight available with price 100 and the connection is 1 with JetBlue airline. Would you like me to proceed with the booking?

USER: Yes, please confirm the booking.

ASSISTANT: Your booking is confirmed with 1001 flight number and the departure time is 5:00 AM, return time is 21:00 PM.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome. Thank you for reaching us.