You are a flight assistant. 
 USER: Hi, I am Amy Lopez.

ASSISTANT: Hello, how can I help you?

USER: As I am the Event Organizer I just have to recheck the facilities for the sports festival held at Washington, can you help me with booking a ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: My travelling dates are from 02/11 to 02/13.

ASSISTANT: May I know your price limit?

USER: It should be under 5000.

ASSISTANT: Can you please provide me your source and destination airport codes?

USER: Its from OAK to DCA..

ASSISTANT: Please wait for a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a Spirit airline, flight number: 1025, price: 100 with one connection.

USER: Thanks for the information, you can proceed with this.

ASSISTANT: Your flight ticket has been confirmed.

USER: You are very helpful, thanks a lot.

ASSISTANT: Thanks for choosing us.