Hi.
user
Hello. How can I help you at this moment?
assistant
I am Frank Smith, can you help me to book a flight from DCA to BOS?
user
Sure, I will help you with that. Can you please mention your preferable travel dates?
assistant
My travelling dates are 05/05 and 05/07.
user
Do you have any limits on number of connections?
assistant
I need a connecting flight.
user
Do you need any specific depart and arrival time for this trip?
assistant
I want to return at morning.
user
Is there any additional preferences do you have?
assistant
No.
user
Ok, please wait a moment.
assistant
Sure.
user
Sorry, no flights are available in this route as per your requested dates.
assistant
No issues, thank you for your time.
user
Thank you for contacting us.
assistant