You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please book me a ticket from CLT to ORD?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My preferable journey dates are Nov 02 and Nov 04.

ASSISTANT: Do you have any specifications?

USER: I prefer evening return flight.

ASSISTANT: Do you have any preferences about airline?

USER: I would like to travel in normal cost airline.

ASSISTANT: Please provide if you have any other preferences.

USER: I prefer connecting flight.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Please provide your name.

USER: My name is Carolyn Garcia.

ASSISTANT: There are no flights found under your preferable details.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Welcome, have a great day.