You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Mark Harris here.

ASSISTANT: How may I aid you today?

USER: Do you have any flight from LGA to ORD?

ASSISTANT: Sure, We are here to search a flight for you.

USER: Thank you.

ASSISTANT: When did you planned to travel?

USER: My travelling dates are 02/01 and 02/03.

ASSISTANT: Do you have any preferences?

USER: I need a flight with halt.

ASSISTANT: We have a connecting flight from United airline, number 1005 and the price is 100. Shall I proceed with the booking?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed in an economy class. The depart time is in the afternoon and return time is in the morning.

USER: Thanks for your help and information.

ASSISTANT: Thank you for reaching us. Have a nice flight.