You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I need to buy a plane ticket from DFW to IAD. Please help me in that.

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

USER: My trip dates are from Mar, 13 to Mar, 15.

ASSISTANT: Do you have any preferences?

USER: I need a single connecting flight.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: I have found an economy class ticket with 1 connection.

USER: Please proceed.

ASSISTANT: Can I know your name for booking?

USER: Carol Evans.

ASSISTANT: Your ticket is booked.

USER: Please share me  flight number and flight name.

ASSISTANT: Flight number is 1029 of Jet Blue airlines.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us.