You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I have some work in Houston, so I need a flight ticket to reach that place. Can you please help me to book a ticket from Washington?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for accepting my request.

ASSISTANT: Kindly, share your selected airport codes.

USER: I prefer IAD and HOU airports to travel.

ASSISTANT: Ok, help me with your planned dates.

USER: I want to depart on the date of June 30 and return back on July 02.

ASSISTANT: Is there any airline preference?

USER: I prefer to travel in a normal-cost airlines.

ASSISTANT: In which class, you wish to go?

USER: I am ok with any type of class to go.

ASSISTANT: Do you have any other concerns to say?

USER: The maximum connections in between my journey should be 1.

ASSISTANT: To proceed further, we need your name.

USER: Sure, my name is Richard Jackson.

ASSISTANT: Thanks for your name, please wait.

USER: Ok, take your time. I will wait for your response.

ASSISTANT: Thank you for waiting, no flights were found based on your schedule.

USER: It's ok, not a problem with that. Anyways thank you for your time.

ASSISTANT: Thank you for choosing us.