You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Nancy Taylor. I would like to visit Grand Canyon adventure located at Houston TX-HOU. Would you please avail me in making a plane reservation from DC-IAD?

ASSISTANT: Sure, could you please provide your journey dates?

USER: My journey dates are 09/13 and 09/15.

ASSISTANT: Do you need any halt in between journey?

USER: I am comfortable with any flight.

ASSISTANT: Can I have your price limit?

USER: Fare is below 1000.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no flights found on that day.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us.