You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to change my existing reservation due to postpone of my board meeting, so can you help me with this?

ASSISTANT: Definitely, I will help you get it resolved. May I know your name please?

USER: Thank you. My name is Deborah Collins.

ASSISTANT: Would you mind waiting for a minute please?

USER: Sure, take your time.

ASSISTANT: I found your flight reservation. Can you tell me your airport codes please?

USER: I am heading to EWR from AUS.

ASSISTANT: Now share your travel dates please?

USER: My travel dates are Apr 07 and Apr 09.

ASSISTANT: Are you looking for a stopover in your journey?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Thanks for your patience. I have found United airlines which is a stopover flight.

USER: It's perfect for me, please proceed.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1018.

USER: Thank you.

ASSISTANT: Thank you.