You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Please help me to book a flight ticket from SEA to PHX.

ASSISTANT: Sure, can you please share your travelling dates?

USER: My trip dates are from May, 15 to May, 17.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a single connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Donald Thompson.

ASSISTANT: We found an Frontier airlines with single connection and flight number is 1014. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.