You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book a flight ticket to PHL from SEA, can you please help me out?

ASSISTANT: Sure, please provide your trip dates.

USER: Sure, my planned travelling dates are Jan 24 and Jan 26.

ASSISTANT: Do you have any preferences in your journey?

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

ASSISTANT: May I know your name?

USER: Sure, my name is Charles Martin.

ASSISTANT: Please wait for a while.

USER: Ok, take your time.

ASSISTANT: UA airlines with flight 1011 is providing a connecting flight and ticket costs you 400 in economy class.

USER: Ok, please confirm my reservation.

ASSISTANT: Your ticket is confirmed Charles Martin.

USER: Thanks a lot for your quick service.

ASSISTANT: Thank you for contacting us.