You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to change my reservation as my get together program got postponed. Can you help me?

ASSISTANT: May I know your name?

USER: I am Stephen Parker.

ASSISTANT: Your reservation found, please share your details.

USER: I need to reach BOS and will be leaving form ATL.

ASSISTANT: Can you please share your trip dates?

USER: I would start on Mar 18th and return on Mar 20th.

ASSISTANT: Do you require any specifications?

USER: I need a normal cost airline.

ASSISTANT: No flights found on normal cost airlines.

USER: That's alright, thanks for your response.

ASSISTANT: Can you please share your name?

USER: I am Stephen Parker.

ASSISTANT: Thank you.