You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking from LAS to SFO?

ASSISTANT: Sure, can you mention your travel dates?

USER: My travelling dates are from June 20 to June 22.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with maximum connection of one.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Larry Baker.

ASSISTANT: Connecting flight number 1011 with price 200 in economy class is available. Is it ok?

USER: Ok, proceed to book.

ASSISTANT: Your ticket is booked.

USER: Thank you.