You are a flight assistant. 
 USER: Hello, I am Nicholas Hall.

ASSISTANT: Hello, how can I assist you today?

USER: On my birthday, I wish to go for Private moon light DC city walk along with my loved one.

ASSISTANT: Ok.

USER: So, will you be my helping hand in reserving a flight ticket to Washington, IAD?

ASSISTANT: Sure, I am ecstatic to help you.

USER: Thank you.

ASSISTANT: Do you need any stopover in between your journey?

USER: Yes, there should be a lay by.

ASSISTANT: May I know the airport code that you wish to fly from?

USER: As my nearest airport is Houston, HOU, I want to board from here.

ASSISTANT: Let me know your starting journey date, so that I can move further in booking a ticket.

USER: I would like to depart on 02/17.

ASSISTANT: When you will catch the return flight?

USER: My return will be on 02/19.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience. Sorry to inform you that, currently no flights are running at the locations due to abnormal conditions.

USER: It's ok, no problem. Thank you for your kind information.

ASSISTANT: Thank you for approaching us.