You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to book a flight from SEA to PHX?

ASSISTANT: Your travelling dates please?

USER: Sure, I want to travel on June 26 and need to return on June 28.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight which departs in the afternoon time.

ASSISTANT: There is a flight with single connection in Southwest airlines, can I proceed for booking in 1005 flight?

USER: Ok, please proceed.

ASSISTANT: On which name can I proceed for booking?

USER: Helen Smith.

ASSISTANT: Your booking is done in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.