You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Donna Adams here. I have a conference to attend, so could you help me to book a  ticket from SEA to ORD.

ASSISTANT: On which dates you are planning to travel?

USER: My itinerary travel dates are as follows May 21 and May 23.

ASSISTANT: Ok, do you have any other requirements?

USER: I would like to board a connecting flight with the economy class.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in UA airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: proceed for booking.

ASSISTANT: May I know your name?

USER: Already provided.

ASSISTANT: Yes, I got it. Your ticket is booked in 1022 flight.

USER: Thank you for your assistance.

ASSISTANT: Most welcome.