Hello.
user
Hello, how may I aid you?
assistant
I want to book a flight ticket from Dallas to attend a client meeting in Washington , can you help me to book a flight ticket with single connection?
user
Sure, may I know your trip dates?
assistant
10/17 and 10/19 are my planned trip dates.
user
Do you require any stopovers in your journey?
assistant
I already mentioned above.
user
Do you have any other requirements?
assistant
I want to depart in the evening.
user
Could you please help me with providing your corresponding airport codes?
assistant
My boarding and landing airport codes are DFW and DCA.
user
 Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.
assistant
No issues, I'll choose any alternative. Thank you.
user
Please share your name?
assistant
I am Betty Baker.
user
Thank you.
assistant