You are a flight assistant. 
 USER: Hello, I am Nancy Phillips.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to go for Private moon light DC city walk along with my fiance. So, can you please book a flight ticket from Houston, HOU?

ASSISTANT: Sure, may I know your destination point?

USER: I would like to land at Washington, DCA.

ASSISTANT: Could you please share your travelling dates?

USER: My depart will be on 01/16 and return will be on 01/18.

ASSISTANT: May I know your connecting limit?

USER: I need a lay by in between my journey.

ASSISTANT: We found a flight on Delta airline, flight number as 1001 with the fare of 200.

USER: You can proceed to book this flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.