You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: As I have done a reservation accidentally last week with wrong airports but I have lot of ways to change my reservation but for a last try with your service. Can you please help in modification of my reservation?

ASSISTANT: Sure, I am happy to help you with that. Please wait a moment.

USER: Thank you for considering my request. I will wait for your response.

ASSISTANT: Can I have your name please to check your reservation status?

USER: I am Elizabeth Turner.

ASSISTANT: Your reservation has found so please let me know airport codes.

USER: Good to hear, my airport codes are OAK and PHL.

ASSISTANT: Can I have your travel dates please?

USER: Sure, my travel dates are July 5 and July 7.

ASSISTANT: Do you have any specific timings to travel?

USER: I need to departure in the evening.

ASSISTANT: Sorry Elizabeth Turner, no flight is available to you on your dates.

USER: Not a problem, I will reach out my destination by road trip. Anyways thank you for the information.

ASSISTANT: Thank you for choosing us, have a good day.