You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Anderson.

ASSISTANT: How can I help you at this moment?

USER: I need to attend workshop in Smithsonian Institution at Denver, can you please help me to book a flight ticket from PHX to DEN?

ASSISTANT: Sure, I will assist you with that. May I know your travel dates for further process?

USER: Sure, my travelling dates are from Sept 21 to Sept 23.

ASSISTANT: Do you have any another specifications?

USER: Yes, I am looking for a 1 connection limit.

ASSISTANT: Sure, please give me a moment, I will check flight availability in this route.

USER: Sure, take your own time.

ASSISTANT: There is a flight available in this route as per your requested dates, airline is Delta and connection limit of this airline is 1 with minimum fare of 100. Are you ok with this economy class flight?

USER: That;s fine for me, please reserve 1 ticket.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1002.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for contacting us.