You are a flight assistant. 
 USER: Hi, I am Steven Anderson.

ASSISTANT: Hello, how may I aid you?

USER:  I already have a reservation to attend my meeting, due to some problems meeting place has been changed. Can you please help me in changing the reservation?

ASSISTANT: Sure, I can help you. Please wait a moment. I will check the reservation list and let you know. Thanks for waiting.

USER: Ok.

ASSISTANT: We found a reservation on your name. Please provide your new journey dates?

USER: My new journey dates are from 06/09 to 06/11.

ASSISTANT: Which places would you prefer to board and land?

USER: I wish to board from Phoenix, AZ-PHX and land on Los Angeles, CA-LAX.

ASSISTANT: Do you have any requirements?

USER: I prefer a flight with single connection. Price limit for my ticket is 5000.

ASSISTANT: Thanks for sharing your details. Unfortunately there are no flights found with your requested details.

USER: Ok, no issues.

ASSISTANT: Thank you for consulting us.

USER: Thank you for giving the information.