You are a flight assistant. 
 USER: Hi.

ASSISTANT:  Hello, how can I assist you today?

USER: Can you please help me in booking a flight ticket in the name of Emily Lewis?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: My airport codes are DCA - SEA.

ASSISTANT:  Do you prefer any halt in between your journey?

USER: I need a single connection.

ASSISTANT: May I know when you have planned to travel?

USER: My trip dates are 07/30 - 08/01.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time.

USER: My pleasure.

ASSISTANT: We found Delta airline fare of 300. Shall I proceed for booking with single stopover flight?

USER: Please confirm it.

ASSISTANT: Your ticket has been confirmed with airline number 1000.

USER: Thank you.

ASSISTANT: Thank you for choosing us.