You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me with booking a flight ticket from SEA to LGA?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are July 10 and 12.

ASSISTANT: At what time do you like to travel?

USER: No time preference.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: My name is Jack Lewis.

ASSISTANT: Sorry, there is no flight on your details.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you so much for choosing us.