You are a flight assistant. 
 USER: Hello, I am Anna Adams.

ASSISTANT: Hello, what can I do for you today?

USER: I wish to go for Private moon light DC city walk along with my fiance.So, can you please help me in booking a flight ticket to Washington, IAD?

ASSISTANT: Sure, may I  know your source point?

USER: I will board from Houston, IAH.

ASSISTANT: When you are willing to travel?

USER: My preferable dates of journey is 04/19 to 04/21.

ASSISTANT: Do you have any connection in between the journey?

USER: Yes, I need a lay by.

ASSISTANT: OK, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a 1023 flight with single connection and price of 100 in UA airline.

USER: You can confirm this flight.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us, have a safe journey.