You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for the day?

USER:  I am Sarah Nelson want to book a ticket to Houston, TX-IAH to meet my brother.

ASSISTANT: Ok, may I know your travelling dates please?

USER: My travelling dates are 06/24 and 06/26.

ASSISTANT: May I now your source airport code please?

USER:  I will depart from CO-DEN.

ASSISTANT: Please wait for a moment till I check with your reservation.

USER:  Ok.

ASSISTANT: Flight-1007 by JetBlue airlines is available for you with 1 connection, can I book it for you?

USER: Ok, you can proceed.

ASSISTANT: Your booking is done. Thank you for reaching our services.

USER: Thank you for booking.

ASSISTANT: Have a safe flight, enjoy your journey.