You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to attend my daughter's convocation ceremony, could you book my ticket from PHX to SEA?

ASSISTANT: Sure, I can help you. Please let me know your travel dates.

USER: My itinerary dates are Mar 25 and 27.

ASSISTANT: Do you have any connection limit preference for this trip?

USER: I prefer a connecting flight.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No.

ASSISTANT: Ok, may I know your name?

USER: Barbara Smith here.

ASSISTANT: Thank you. Please wait for a while.

USER: Sure.

ASSISTANT: There is a flight having single connection with Delta Airlines and the ticket fare is 200 only in economy class. Flight departs at 18:00 hours and arrives at 3:00 hours. Shall I book the ticket for you?

USER: Please book my ticket.

ASSISTANT: Your ticket is confirmed and your flight number is 1021.

USER: Thank you for assisting me.

ASSISTANT: You are most welcome.