Hello.
user
Hello. How may I abet you today?
assistant
Jerry Walker here. I want change my existing reservation, can you help me?
user
Sure, Please wait a moment, let me check with your details.
assistant
Ok, take your time.
user
Sorry, there are no active reservations to change your trip.
assistant
Sorry to here from you, any way thank you for the information.
user
Thank you for reaching our service.
assistant
Welcome.
user