You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Mark King.

ASSISTANT: How can I help you?

USER: I would like to travel from IAD to IAD to meet my grand parents.

ASSISTANT: Help me with the dates of journey.

USER: My trip dates are 05/10 and 05/12.

ASSISTANT: There is a flight with number 1009 and connection is 1. Can I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket is confirmed in airlines UA.

USER: Thank you for booking.

ASSISTANT: Happy journey. Welcome.