You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Shall you please help me in booking my flight ticket?

ASSISTANT: May I know your travelling dates please?

USER: Ok, I am planning to start my journey on 09/26 and 09/28.

ASSISTANT: Your airport codes please?

USER: My travelling airport codes are IAD to DEN.

ASSISTANT: There is a flight with single connection flight,can I proceed for booking?

USER: Ok, please confirm my ticket with name Mary Jones.

ASSISTANT: Your booking is done in 1018 flight.

USER: Thank you.