You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Carolyn Allen here.

ASSISTANT: How can I guide you today?

USER: Reserve a flight ticket for me that is from IAH to IAD.

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

USER: My travelling dates for journey are 12/22 to 12/24.

ASSISTANT: Please hold on.

USER: I am looking for a connecting flight.

ASSISTANT: Here I found a connecting flight for you. Can I proceed?

USER: Sure, you can book it.

ASSISTANT: Your booking is done in flight 1000 and airline is AA.

USER: Thank you.

ASSISTANT: Thank you for choosing our agency.