Hello. Helen Campbell here.
user
Hello. How may I assist you?
assistant
Can you change my flight ticket reservation? As I want to change my travel dates for my trip to Detroit?
user
Sure, I am here to help you. Please wait a moment, I will check your reservation status.
assistant
Ok.
user
Helen, no reservation has been found on your name in our database.
assistant
Not a problem. Thank you.
user
Thank you for choosing us.
assistant