You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to visit Statue of Liberty at Washington, can you please help me to book a ticket from LAS to DCA?

ASSISTANT: Can I know your travelling dates?

USER: I would like to travel on July 04 and arrive on July 06.

ASSISTANT: Let me know your name.

USER: Sure, I am Linda Hall.

ASSISTANT: Is there any airline preference?

USER:   No.

ASSISTANT: Do you have any class preference?

USER: No. Can you please help to find a single connecting flight?

ASSISTANT: Ticket is found with airline JetBlue for price 100 having flight number 1020.

USER: You can confirm it.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.