You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please assist me to book a plane ticket from the airport DEN to SFO.

ASSISTANT: Sure, I am here to help you. Please tell us your name.

USER: Thank you for your response. My name is Sarah Jones.

ASSISTANT: Thank you. Please tell us your travel dates.

USER: My journey dates which I have planned are July 13 and July 15.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I would like to travel in a single connecting flight.

ASSISTANT: Noted. Please wait for a while, let me check.

USER: Ok, take your time.

ASSISTANT: There is a flight having single connection with Southwest Airlines and the ticket fare is 200 only in economy class. Flight departs at 14:00 hours and arrives at 2:00 hours. Shall I book the ticket for you?

USER: Yes, I am fine with this flight. You can proceed to reserve the flight ticket for me.

ASSISTANT: Your ticket is booked successfully and your flight number is 1014.

USER: Thank you for your help.

ASSISTANT: You are most welcome.