You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kevin Parker here.

ASSISTANT: How may I assist you today?

USER: Can you please help me in booking the ticket from IAD to HOU? As I'm planning to participate in kite festival at Houston.

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my planned travel dates are 09/21 and 09/23.

ASSISTANT: I found a direct flight with price 200, shall I proceed?

USER: Can you please search for a flight with 1 connection?

ASSISTANT: Sorry, I could not find any flight with your connection.

USER: Ok then, proceed for booking with direct flight only.

ASSISTANT: Your ticket has been booked with flight-1007.

USER: Thank you so much for your help in booking the ticket.

ASSISTANT: Thanks for choosing us, have a safe journey.