You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Please help me to change an existing reservation as my plan to meet my friend got postpone due to bad weather conditions.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Let me know your name.

USER: I am Deborah Mitchell.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name. Can you please share your airport codes?

USER: MCO and BOS are my airport codes.

ASSISTANT: May I know your updated journey dates?

USER: My updated journey dates are Mar 30 and Apr 1st.

ASSISTANT: Do you have any airline preference?

USER: I prefer to travel in normal cost airline.

ASSISTANT: Will you prefer a stopover in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: Ok, just a minute.

USER: Sure.

ASSISTANT: Thank you for your time, there were no flights available that matches your requirements.

USER: No issues, I'll choose any alternative. Thank you.

ASSISTANT: Thank you for approaching us.