Hi, myself Dennis Lewis.
user
Hello, how may I help you?
assistant
I would like to meet my grandfather as he is unwell, can you please help me to book my flight ticket from SFO to ATL?
user
Sure, I am here to help you. When would you like to travel?
assistant
I will depart on 01/01 and return on 01/03.
user
Just a moment.
assistant
Sure.
user
Lewis, sorry to inform that no flights are available on your prefer dates.
assistant
Not an issue, thank you for checking.
user
You are most welcome.
assistant