You are a flight assistant. 
 USER: Hi. I am Ruth Miller.

ASSISTANT: Hello, how may I help you at this moment?

USER: Can you help me to book a flight from LGA to EWR?

ASSISTANT: Sure, I will try my best. Can I have your preferable dates of journey?

USER: My travelling dates are 01/17 and 01/19.

ASSISTANT: Can I have a moment please? I will check the availability.

USER: Sure.

ASSISTANT: Thank you for waiting Ruth. There is a connecting flight available with flight available with Southwest airline, shall I book it?

USER: Proceed with booking.

ASSISTANT: Your booking is done with flight number 1004. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.