You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for the day?

USER: I am Melissa Taylor here, I want to reserve my ticket within the price limit of 500, can you please help me?

ASSISTANT: Ok, please share your travelling dates with me to check with the availability for you.

USER: Sure, my respective dates of journey is from 10/25 to 10/27.

ASSISTANT: Ok, may I know your desired airport codes for this journey?

USER: Sure, my respective airports codes are from OAK to MCO.

ASSISTANT: Please give me a moment to check for the availability for you.

USER: Ok, I will wait.

ASSISTANT: Flight-1026 is available for you with 1 connection at the price of 200 with AA airlines. Can I book it for you?

USER: Ok, please go ahead with this ticket booking.

ASSISTANT: Booking done. Thank you for choosing us.

USER: Thank you for your help.

ASSISTANT: Have a great day.