You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My name is Ruth Robinson and I want to change my reservation. Can you please help me?

ASSISTANT: Sure, please wait for sometime.

USER: Ok.

ASSISTANT: Thanks for waiting, we found reservation on your name, please help me with your new airport codes?

USER: My airport codes are PHX to EWR.

ASSISTANT: Can you please share your travelling dates?

USER: My travel dates are July 4 and July 6.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection.

ASSISTANT: Any other requirements to be met?

USER: I would like to depart in the morning.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.