You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ashley Hall.

ASSISTANT: Hall, how can I assist you.

USER: I would like to visit Washington DC to participate in dance programme.

ASSISTANT: That's great.

USER: Can you please help me to get flight ticket from PHL to DCA?

ASSISTANT: Sure. When are you planning to travel?

USER: Sure, my planned dates are 06/28 and 06/30.

ASSISTANT: Let me check, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Flight number 1000 of Spirit airlines is available for you.

USER: That's nice. Please proceed with booking.

ASSISTANT: Your ticket is booked, have a safe and happy journey.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.