You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Andrew Green here.

ASSISTANT: How may I assist you?

USER: I would like to travel from SFO to LAS. Can you please help me to book a ticket?

ASSISTANT: Ok, please mention your travel dates too.

USER: My travelling dates will be on 11/05 to 11/07.

ASSISTANT: There is a connecting flight-1024 on Spirit airlines with price 100, shall I book it?

USER: You can proceed to booking.

ASSISTANT: Ok, ticket has been done with your name.

USER: Thank you.

ASSISTANT: Thanks for choosing us.