You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you today? May I know your good name?

USER: I am Sarah Collins. I want to fly from Detroit to Philadelphia. Can you book a ticket for me?

ASSISTANT: Sure, it's my pleasure to help you. May I know the airport codes and journey dates?

USER: Ok. Airport codes are DTW - PHL, Travelling dates are 09/21 to 09/23. And I need one flight connection with price below 500.

ASSISTANT: Thank you for the details. Please wait a minute while I will check and revert you.

USER: Sure.

ASSISTANT: Thank you for waiting, we are glad to inform you that we found a flight regarding your details.

USER: Ok, Can I know the flight details?

ASSISTANT: The details are as follows JetBlue airline, flight number 1005, price limit 200 with one connection.

USER: You can proceed with the booking.

ASSISTANT: Ok, Your ticket has been booked. Happy journey.

USER: Thank you for your great service.

ASSISTANT: Thank you for choosing us. Have a nice day.