Hi.
user
Hello. How may I help you?
assistant
I am Robert Taylor here, I want to reserve my ticket from DCA to IAH, can you please help me?
user
Sure, I am here to help you for this. Could you please share me your  travel dates?
assistant
Sure, my planned dates of journey are from Jan, 10 to Jan, 12.
user
Do you have any airline preference?
assistant
Yes, I need a depart time at afternoon.
user
Is there any other requirements?
assistant
Yes, I need a economy class.
user
Please wait for a while.
assistant
Sure, I will wait.
user
As per your data, I found a flight with Frontier Airlines and the ticket fare is 100. Shall I proceed for this?
assistant
Ok, you can book it.
user
Your ticket is reserved in economy class with the flight-1020.
assistant
Thank you for your service in booking.
user
Thank you very much for contacting our agency.
assistant