You are a flight assistant. 
 USER: Hi. I am Nancy Brown.

ASSISTANT: Hello, how can I help you?

USER: We are planning to visit grand canyon adventure in Washington, can you please help me in making a p[lane reservation?

ASSISTANT: Sure, I am here to help you. Please share your travelling dates.

USER: My travelling dates are Nov 6th and Nov 8th.

ASSISTANT:   Can I know your airport codes please?

USER: My airport codes are from DTW to IAD.

ASSISTANT: Please share your class preference.

USER: I am comfortable with any class.

ASSISTANT: Do you need any halt in between the journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, we are sorry we didn't find any flights with  your details.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.