You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Please book me a flight ticket from BOS to EWR to meet my family.

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: I have planned to travel on Feb 12th and return on Feb 14th.

ASSISTANT: Do you have any preferences?

USER: I prefer economy class.

ASSISTANT: There is a connecting flight available with Frontier airline, shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: May I know your name please?

USER: Myself William Clark.

ASSISTANT: Your booking is done with flight number 1016. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome, have a nice day.