Hello.
user
Hello. How may I help you?
assistant
My name is Edward Young. I would like to change my reservation, could you help me in modifying my existing reservation?
user
Please wait a moment.
assistant
Sure.
user
Reservation found. Let me know your travelling codes?
assistant
My codes are from PHL to BOS.
user
Can I know your travelling dates?
assistant
My preferable dates are from 09/10 to 09/13.
user
Sorry, no flights found for your requested dates.
assistant
That's ok. Thank you for your time.
user
Thanks.
assistant