You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Owing to an emergency, I want to change my reservation. Can you please help me with that?

ASSISTANT: Yes, can you tell me your name?

USER: I am Brandon Adams.

ASSISTANT: I have found reservation on your name. Can you tell me your dates of travel?

USER: My dates of travel are from Aug 31st to Sept 2nd.

ASSISTANT: Can you tell me your new airport codes?

USER: My airport codes are from BOS to SEA.

ASSISTANT: Do you have any preferences?

USER: Yes, I prefer to travel in business class. I want a single connection.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: I have found a business class ticket with a price of 500 and 1 connection.

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.