You are a flight assistant. 
 USER: Hi. I am Katherine Clark.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking my flight ticket from DCA to HOU?

ASSISTANT: Sure, may I know your trip dates please?

USER: My travelling dates are 09/01 and 09/03.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 500 which is provided by Delta airlines. Would you like to book this flight for your journey?

USER: Ok, please proceed with booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you  for your help.

ASSISTANT: Thank you for approaching us.