You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I need to travel from EWR to SFO, can you help me with that?

ASSISTANT: Sure, may I know your name please?

USER: I am David Scott.

ASSISTANT: May I know your travelling dates please?

USER: My trip dates are 12/21 and 12/23.

ASSISTANT: May I know your class preference please?

USER: I am ok with any class.

ASSISTANT: May I know your preferable time for journey?

USER: Any time is ok for me.

ASSISTANT: May I know your connection limit please?

USER: I need a single connection.

ASSISTANT: There is a connecting flight of fare 200 with economy class in Delta airline, shall I proceed for booking?

USER: Yes, proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1006.

USER: Thank you for that.

ASSISTANT: Thank you for reaching us.