Hi,.
user
Hello.
assistant
I'm Robert Hall.
user
How can I help you?
assistant
Please change my existing reservation, owing to an emergency.
user
Sure, I am here to help you to change your existing reservation. Give me a moment.
assistant
Sure.
user
Can you please provide me your travelling dates?
assistant
Departure will be 09/01 and will return by 09/03.
user
Ok, may I know your airport codes?
assistant
Airport codes are from Detroit, MI-DTW to Phoenix, AZ-PHX.
user
Ok, give me a moment.
assistant
Sure.
user
Sorry, there is no flights are available on your route.
assistant
Thanks for the help.
user
Welcome. Thank you for choosing us.
assistant