You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I need you to book a flight ticket from ORD to LGA. Please help me.

ASSISTANT: Yes, can you tell me your travelling dates?

USER: November 16 and 18 are my planned travel dates.

ASSISTANT: Do you have any other specifications?

USER: I prefer to fly in a economy class.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight .

ASSISTANT: Give me a moment.

USER: Sure, I will wait.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: Great!.

ASSISTANT: Can I know your name for booking?

USER: David Jones is my name.

ASSISTANT: Your ticket has been booked with Jet Blue airlines.

USER: Thank you.

ASSISTANT: Thank you for contacting us.