You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What type of service you are expecting from us?

USER: Can you please help me in booking a flight ticket from DEN to HOU?

ASSISTANT: Sure, I am here to help you with that. Can I know your planned trip dates?

USER: My planned travel dates are from Aug 18th to Aug 20th.

ASSISTANT: Do you have any other requirements?

USER: I prefer a direct flight to travel.

ASSISTANT: Ok, may I know your name?

USER: I am Amy Hall.

ASSISTANT: Ok, wait for a minute.

USER: Ok.

ASSISTANT: The Hawaiian airlines are providing a flight having a connection limit 1 and the ticket fare of 100. Can I proceed with the ticket booking?

USER: Make sure that I need a direct flight to travel.

ASSISTANT: Ok, I will check with that please wait.

USER: Ok.

ASSISTANT:  The Delta airlines are providing a flight having a connection limit 0 and the ticket fare of 200. Can I proceed with the ticket booking?

USER: Yes,  please proceed.

ASSISTANT: Your ticket is confirmed in an economy class and the flight number 1007.

USER: Thank you.

ASSISTANT: Thank you for reaching us.