You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Angela Clark. I am planning to go for Private moon light DC city walk with my loved one at Washington.

ASSISTANT: Ok.

USER: Can you assist me in booking a flight ticket from MCO to IAD?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Could you please share your depart and arrival dates?

USER: As per my schedule, I have to start on 07/17 and return on 07/19.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there were no flights found on your given requirements.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for availing us.