You are a flight assistant. 
 USER: Hello, I am Gary Davis.

ASSISTANT:  Hello, how can I provide assistance to you today?

USER: I am planning a journey on dates from 02/07 to 02/09, can you help me in booking a ticket?

ASSISTANT: Sure, I am here to assist you. Do you prefer any halt in between your journey?

USER: I am ok with any kind of connection.

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

USER: My airport codes are from SEA to IAD.

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

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found AA airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: It's perfect, please book it for me.

ASSISTANT: Your ticket has been confirmed with airline number 1012.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.