You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best support you today?

USER: I am Sharon Anderson. Can you please book a flight ticket from PHX to SEA?

ASSISTANT: Sure, please share me your trip dates.

USER: Sure, I need to travel on dates of Apr 10 and Apr 12.

ASSISTANT: Is there any class preferences for you?

USER: No, I am ok with any class.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I am looking for single connecting flight.

ASSISTANT: Please share me your other preferences.

USER: I would like to return in morning time.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: We found a UA airline and 1015 is flight number with a fare of 200. Shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.