You are a flight assistant. 
 USER: Hello. I am Sandra Allen.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to attend music concert at DFW, can you please help me with booking a flight ticket from DEN?

ASSISTANT: Sure, please share me your planned journey dates?

USER: Sure, I would like to depart on May 17 and return on May 19.

ASSISTANT: May I know your connection limit?

USER: I am ok with any connection limit.

ASSISTANT: Do you have any other requirement related to booking?

USER: No.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, I found a connecting flight 1028 of airline UA airline, fare is 100 and class is economy. Shall I proceed with booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a nice journey.

USER: You are welcome.