You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christine Carter.

ASSISTANT: How can I assist you today?

USER: I would like to book a ticket to Washington DC, can you please help me out?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I am travelling on these dates 12/02 and 12/04.

ASSISTANT: Please mention the airport codes of your journey.

USER: I am flying from AUS to IAD.

ASSISTANT: Please give me a moment.

USER: Make sure my connection limit is 1.

ASSISTANT: There is no flights available with connections 1.

USER: Ok no problem, thank you for your services.

ASSISTANT: Welcome, have a great day.