You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you now?

USER: Can you please help me in reserving the ticket from HOU to DEN?

ASSISTANT: Please share me your planned journey dates?

USER: I would like to travel on June 1 and again I will return back on June 3.

ASSISTANT: Please mention your connection limit?

USER: I am planning to travel in single connection flight.

ASSISTANT: Do you have any other requirement?

USER: No, I don't have any other requirements.

ASSISTANT: May I know your good name?

USER: Myself Sarah Walker.

ASSISTANT: Thank you for your name, sorry there is no flight found on your given journey data.

USER: Not a big problem, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for visiting us, we hope see you again.