You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Edward Robinson.

ASSISTANT: What can I do for you?

USER: I'm planning to visit Washington to meet my friend, can you please help me in booking a ticket?

ASSISTANT: Sure Robinson, I am here to help you, can you please let me know your travelling dates?

USER: My trip dates are from 04/12 till 04/14.

ASSISTANT: Ok, may I know your airport codes?

USER: My airport codes are from AUS to IAD.

ASSISTANT: There is flight is available for you with 1 connection, shall I proceed for booking?

USER: Yes, you can confirm the ticket for me.

ASSISTANT: Your ticket is confirmed with flight number 1011.

USER: Thank you for booking.

ASSISTANT: Welcome. Thank you for choosing us.