Hello.
Hello. How may I assist you today?
Due to an emergency, I want to change my reservation. Can you help me?
Sure, I will help you.
Thank you.
Please help me with your name.
Melissa Campbell here.
Thank you. Please allow me a minute.
Sure.
 Melissa Campbell, I highly regret to inform you that there is no booking found on your name.
No problem, Thanks for the information.
Thank you for reaching us. Have a great time.