You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Katherine Hall here, I want to travel from IAH to LGA, can you please help me to book a ticket?

ASSISTANT: Sure, what are your willing dates to travel?

USER: Ok, my dates of journey is from 12/25 to 12/27. Please make sure that the connections limit is 1.

ASSISTANT: Ok, there is a flight 1003 in Delta airline matching your details with price 100. Shall I proceed?

USER: Ok, please proceed with this ticket.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help in ticket booking.

ASSISTANT: You are welcome. Have a safe journey.