You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to book my ticket from Washington, IAD to LAX. Can you please help me with booking a flight ticket?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My travel dates are from Feb 11 to Feb 13.

ASSISTANT: Do you have any other preferences?

USER: I am looking for a connecting flight in my journey.

ASSISTANT: Can I know your name for booking?

USER: Sure, myself Sarah Green.

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

USER: Yes, please proceed with that ticket booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for contacting us.