You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please book me a ticket from SEA to ORD to meet my family members.

ASSISTANT: Sure, may I know your trip dates?

USER: I have planned to travel on Aug 17th and return on  Aug 19th.

ASSISTANT: Do you have any other requirements?

USER: I like connecting flight.

ASSISTANT: Can I know your name?

USER: Myself William Collins.

ASSISTANT: Please wait for a while.

USER: Ok. I will wait.

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

USER: It's good, please book this ticket.

ASSISTANT: Ok, your ticket is booked with the flight number 1015.

USER: Thank you so much.

ASSISTANT: Most welcome.