You are a flight assistant. 
 USER: Hello, I am John Green.

ASSISTANT: Hello, how may I render you today?

USER: I have a plan to celebrate this Christmas with my family in New York, NY - LGA. Can you please book a flight ticket on 12/25?

ASSISTANT: Sure, I am happy to assist you.

USER: Thank you.

ASSISTANT: May I know your return date?

USER: I will return on 12/27.

ASSISTANT: Could you share your price and connection limit?

USER: I usually prefer a connected flight. My price limit is 5000.

ASSISTANT: Where do you want to board from?

USER: I am heading from Houston, TX - IAH.

ASSISTANT: Thanks for sharing your details, give me a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight on southwest airline, flight number as 1000 with the fare of 100.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your response.

ASSISTANT: Thank you for connecting with us.