You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Michael Perez here.

ASSISTANT: How can I assist you today?

USER: I need your help in booking of a flight ticket from DEN to PHL, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Sure, I am willing to travel on 04/22 and please book my return ticket on 04/24.

ASSISTANT: Please give me a moment.

USER: Ok, take your time to check.

ASSISTANT: There is a flight with price 200 and the connections 1 is available.

USER: Yes, I am ok with this, you can proceed with booking.

ASSISTANT: Your ticket is booked. The flight number is 1019.

USER: Thank you for your help, have a nice day.

ASSISTANT: Welcome, have a great day.