You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I need to travel from LAX and ORD, can you please reserve flight ticket for my journey?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My travelling dates are Sept,24 and Sept,26.

ASSISTANT: May I know your name?

USER: Myself Donald Taylor, I need a normal-cost airline.

ASSISTANT: Do you have any connection preference?

USER: I need a single connection for my travel.

ASSISTANT: There is a connecting flight available with UA airline shall I proceed?

USER: Please proceed with the reservation.

ASSISTANT: Your booking is done with flight number 1014. Have a nice day.

USER: Thank you for reserving my flight ticket.

ASSISTANT: You are welcome, have a nice day.