You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Sandra King here. I want to book a flight reservation from IAH to DFW, can you hep me?

ASSISTANT: May I know your desired travel dates please?

USER: My travelling dates for this journey will be from 12/21 to 12/23.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Ok, please proceed with booking my tickets.

ASSISTANT: Your ticket is booked, flight number 1019.

USER: Thank you for helping me with booking.

ASSISTANT: Thank you for opting us.

USER: Welcome.