You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to attend an event at Philadelphia, please help me in booking a ticket from DEN to PHL.

ASSISTANT: Sure, I can do that for you. May I know your name?

USER: My name is Emily Jones.

ASSISTANT: Thank you. May I know your travel dates?

USER: My planned travel dates are on Oct 5 and Oct 7.

ASSISTANT: Sure, do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Sure, please wait for a while.

USER: I prefer normal-cost airline.

ASSISTANT: Single connection flight is available with UA airlines and the ticket fare is 100 only. Flight departs at 8:00 hours and arrives at 22:00 hours. Can I book the ticket for you?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked successfully with the flight-1009 in economy class.

USER: Thank you for your assistance.

ASSISTANT: You are welcome and thank you for choosing us.