You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Richard Harris here.

ASSISTANT: How can I help you today?

USER: I would like to attend a seminar in Philadelphia, can you please help me out with booking of a flight ticket from DEN to PHL?

ASSISTANT: On which dates do you want to travel?

USER: Sure, I am planning to leave my location on 05/10 and please book my return ticket also on 05/12.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: I found a flight 1029 of UA airlines is available for you.

USER: That's fine for me to travel, you can proceed with booking.

ASSISTANT: Harris, your ticket is booked.

USER: Thank you for your help in my ticket booking.

ASSISTANT: Thank you for consulting us.