You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me with booking a flight ticket from IAD to LAX?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are July 21 and 23.

ASSISTANT:  Do you need any specifications?

USER: I need a connecting flight.

ASSISTANT: On which name shall I reserve flight ticket?

USER: My name is Cynthia Jones.

ASSISTANT: There is a flight with one connection and the price is 200 in United Airlines, can I proceed with the reservation?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been reserved with the flight number 1018.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.