You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to change my existing reservation due to my bad health issues. Can you help me with that?

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: Can you please tell me your name?

USER: Sure, Michelle Green here.

ASSISTANT: Happy to inform you that, I found your reservation. Can you please share your new travelling airport codes?

USER: I will fly from LAS to EWR.

ASSISTANT: On which dates you want me to book your tickets?

USER: My travelling dates are July 08 and July 10.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: In my search, I found a flight for you with 1 stopover and it costs you 100. Can I proceed?

USER: Please go ahead.

ASSISTANT: Your booking is done with flight 1012 in JetBlue airlines.

USER: Thank you.

ASSISTANT: Thank you for opting us, have a safe journey.