Hi. I am Donald Green.
user
Hello. How can I help you?
assistant
I want to book a ticket to Washington, DC - IAD from Houston, TX - HOU to celebrate my son's birthday. Can you please book a ticket with a price limit of 5000?
user
Sure, please provide me your journey dates?
assistant
I want to depart on 07/17 and return on 07/19. I need one connection.
user
OK, please wait.
assistant
Sure.
user
 Sorry, no flights are available on your scheduled dates.
assistant
Ok, no issue. Thanks for your support.
user
 Thank you for availing us.
assistant