Hello.
user
Hello. How may I hand help full to you?
assistant
I am Margaret Jackson.
user
Nice to meet you Jackson.
assistant
Due to my health problem I want to change my reservation, can you please help me to change my reservation?
user
Sure, I am happy to help you. Please wait for a moment to check your previous booking.
assistant
Sure, take your own time.
user
I am sorry Jackson, I am unable to find your previous booking to modify it.
assistant
That's fine. Thank you for your help.
user
Your ticket is not booked properly I think. Anyway, thank you for your valuable time.
assistant