You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Melissa Green.

ASSISTANT: How may I assist you today?

USER: Actually, I have done a mistake in reserving my ticket yesterday. Can you please find my ticket and change my reservation locations?

ASSISTANT: Sure. But I did not found any reservations with your name. Anything else to help you.

USER: It's fine and thank you for the information.

ASSISTANT: It's my pleasure Melissa Green. Have a great day.