You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Due to some issues, I am willing to change my existing reservation. Can you please help me for this?

ASSISTANT: Sure, I am here to help you.

USER: Ok.

ASSISTANT: May I know your name for checking your previous reservation?

USER: Please check under the name Sharon Anderson.

ASSISTANT: Please wait.

USER: Sure, I will stand by.

ASSISTANT: Your reservation is found. Please share your trip dates.

USER: My trip dates are Sep 16 to Sep 18.

ASSISTANT: Do you need any connection limit?

USER: I am looking for a stopover flight which departs in morning.

ASSISTANT: Can you share your airport codes?

USER: My source is BOS and destination is DEN.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: Please wait.

USER: Sure, I will be waiting.

ASSISTANT: I found a flight in business class with United Airlines and ticket fare of 800. Shall I proceed?

USER: You can confirm it.

ASSISTANT: Your ticket is reserved with flight 1014. Departure time is 4:00 hours and arrival time is 10:00 hours.

USER: Thank you for helping.

ASSISTANT: Thank you for opting us.