You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Andrew Green. Can you help me searching flights from LGA to HOU?

ASSISTANT: May I know your desired travel dates please?

USER: My travelling dates are 04/18 and 04/20.

ASSISTANT: There is a flight with connection limit 1 and fare 100, is it ok for you?

USER: Yes, I am ok with that flight. Thank you for confirming my flight ticket.

ASSISTANT: Your ticket is booked, flight number 1000. Thank you for choosing us.