You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I render you today?

USER: As my business meeting got postponed, I would like to change my existing reservation.

ASSISTANT: Ok.

USER: So, can you help me in that?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: To check with the reservation I need your name.

USER: You can check the reservation list with my name Emily Wilson.

ASSISTANT: Ok, please stay online I will check with the reservation and revert to you.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found on your name Emily Wilson.

USER: Ok. Thank you.

ASSISTANT: Thank you for availing us.