Hi.
user
Hello.
assistant
I am Michael Lee.
user
How may I guide you today?
assistant
I want to book a ticket from DCA to DFW, can you help me?
user
Sure, I will help you with that. Can you please share your preferable journey dates?
assistant
My travel dates are Oct 01 and Oct 03.
user
Do you have any class preference?
assistant
I want to travel in economy class.
user
Is there any connection limit?
assistant
I need a connecting flight.
user
Do you have any specifications?
assistant
I want to depart in the evening.
user
I am sorry to say that there is no flight found under your details.
assistant
No problem, thanks for checking.
user
Thank you for reaching us.
assistant