You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you at present?

USER: I am looking to modify the travel dates in the past ticket because I have given the wrong details while booking the ticket. Could you please help me to change the ticket details?

ASSISTANT: Sure, we are glad to help you to change your reservation.

USER: Thank you for considering my request.

ASSISTANT: Can you please share your name to check with the reservation list?

USER: I have reserved the ticket with the name Frank Edwards, so please check the ticket status with this name.

ASSISTANT: Ok, please wait for a couple of minutes and I will check and revert to you.

USER: Ok, I will wait for your response.

ASSISTANT: Thanks for your time, there was no active reservation found on your name in our database to change it.

USER: It's ok, I think the ticket is not confirmed. Thank you for checking the ticket status.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.