You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I'm Christine Moore.I am planning to attend the sports event which is going to held at Oakland, can you please help me with booking a flight ticket?

ASSISTANT: That's great, let me know your full details regarding journey?

USER: Sure, my departure date is on 08/13 and the return date is on 08/15.

ASSISTANT: City codes?

USER: It is from DCA to OAK. Please make sure that the price limit should not exceed 200.

ASSISTANT: I got a flight 1009 which matches you, can I proceed?

USER: Yes, please.

ASSISTANT: Sure, your ticket is booked with JetBlue airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a great journey.

USER: You are welcome.