You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Richard Lopez.

ASSISTANT: How may I assist you today?

USER: I am planning to visit Chicago as a round trip, will you help me in booking the flight ticket from ORD?

ASSISTANT: Sure, please mention your travelling dates?

USER: My travelling dates are Oct 14 and Oct 16.

ASSISTANT: May I know your budget for this trip?

USER: I can afford up to 500.

ASSISTANT: Do you need any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Please hold a moment.

USER: Ok, I will wait for your response.

ASSISTANT: There is a flight with single connection and the price is 100 in UA airlines, can I proceed with the reservation?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket has been reserved with the flight number 1027.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a safe journey ahead.