You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am looking for a flight from DEN to DCA, can you help me in booking?

ASSISTANT: Yes, I am here to help you. On which dates you want to travel?

USER: My planned travel dates are May 30 and June 01.

ASSISTANT: May I know your name please?

USER: Myself Ruth Young.

ASSISTANT: Ok, do you need any break in between the journey?

USER: Actually I'm looking for a direct flight for this journey.

ASSISTANT: Please let us know if you have any other specifications.

USER: I would like to return my journey for the afternoon flight in an economy class.

ASSISTANT: Wait a minute please I will get back to you.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for your time, sorry no flights found with your details.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.