Hello. I am Melissa Carter.
user
Hello, how may I help you today?
assistant
I need to reach SFO to attend a party meeting. Can you help me in booking a flight ticket from IAD?
user
Sure, we are here to help you. May I know your travel dates?
assistant
I would start on Jan 18th and return on Jan 20th.
user
Can I know your class preference?
assistant
Yes, I prefer to travel in an economy class.
user
How much you can afford for this booking?
assistant
I am looking for a cheaper flight possible, so go with a low cost airline.
user
Do you need a connecting flight?
assistant
Yes.
user
Please wait a minute.
assistant
Sure.
user
Thank you for waiting. There are no flights on your required dates.
assistant
That's Ok, thanks for your assistance.
user
Thank you for reaching us.
assistant