You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you please book my flight ticket from JFK to IAH?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are Oct 26 and Oct 28.

ASSISTANT: Do you have any airline preferences?

USER: I am comfortable in any airline.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I need single connection flight.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I need business class ticket and search for my return ticket at evening time.

ASSISTANT: Can you please provide your name to proceed further?

USER: Myself Brenda Green.

ASSISTANT: There is a flight with ticket fare 600 in AA airlines with a stopover in business class. Is it ok for you?

USER: Please proceed with booking.

ASSISTANT: Your booking is confirmed with flight number 1015. Departure time is 6:00 AM and arrival time is 22:00 PM.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a nice day.