You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you help me to book a flight ticket from EWR to BOS?

ASSISTANT: Sure, I am here to help you. May I know your journey dates please?

USER: My travelling dates are 18 and 20 of Jan.

ASSISTANT: Can I have your name please?

USER: I am Catherine Lewis.

ASSISTANT: Is there any connection limit for you?

USER: I need a direct flight.

ASSISTANT: Ok, do you have any other concerns to say?

USER: I prefer to travel in normal cost.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure.

ASSISTANT: Thanks for your time, we found a direct flight in 1000 United Airline and the fare is 100.

USER: Please proceed.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.