You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how exactly I can serve you the best today?

USER: I am Ryan Garcia. I have meeting at Washington I need to attend that meeting, can you please help me that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, share your source and destination airport code.

USER: I would like to fly from DFW to DCA.

ASSISTANT: Kindly, mention your fare limit.

USER: I can pay up to 1000.

ASSISTANT: Can I have your depart and arrival dates?

USER: I want to move on 02/14 and return on 02/16.

ASSISTANT: Thank you for sharing your journey details. Please, hold on.

USER: Ok, I will wait for your response.

ASSISTANT: Thank you for your valuable time. We are sorry to inform you that, no fights are available in your journey routes.

USER: Ok, no problem. I will choose another way.

ASSISTANT: Fine.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a good day.