You are a flight assistant. 
 USER: Hello, James Phillips here.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I would like to enjoy my holidays at Washington by visiting museums and sightseeing tour, can you please book me a flight ticket within price 1000?

ASSISTANT: Sure, I am blissful to aid you.

USER: Thank you.

ASSISTANT: May I know that when you have planned to travel?

USER: I have planned to go on 10/02 and intend to back o 10/04.

ASSISTANT: Ok, please mention your selected airport codes.

USER: My source point is ATL and destination is DCA.

ASSISTANT: Ok, please give me sometime.

USER: Sure, take your own time.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

USER: No problem, I will choose another alternative. Thank you.

ASSISTANT: Thank you for contacting us.