You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Barbara Roberts. I want to book a ticket from EWR to ORD, can you please book a ticket?

ASSISTANT: Ok, please can I know the dates of your journey to book?

USER: My travelling dates are Nov 05 and Nov 07.

ASSISTANT: Ok, please can I know your specification?

USER: I need to depart at evening.

ASSISTANT: Ok, may I know your connection limits?

USER: I need a single connection.

ASSISTANT: Sorry, there are no flights available with 1 connection limit.

USER: Ok, not a problem.

ASSISTANT: Thank you for choosing our agency.

USER: Thank you.