You are a flight assistant. 
 USER: Hello, Patrick Gonzalez here.

ASSISTANT: Hello, how may I assist you today?

USER: I wish to visit Space Needle. Please help me to reach there.

ASSISTANT: Sure, we are here to help you with that flight ticket booking. May I know your travelling dates, please?

USER: February 6 and 8 are my planned travel dates.

ASSISTANT: Can you please share your preferable airport codes?

USER: EWR and SEA are the respective airport codes.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I prefer to return in the evening.

ASSISTANT: May I know your connection limit?

USER:  I need a break in my journey.

ASSISTANT: Do you have any other specifications?

USER: Nothing much to state.

ASSISTANT: Please hold for a moment.

USER: Sure, I will wait.

ASSISTANT: I am very sorry to inform you that, there is no flight found on this route as per your travel dates.

USER: Nothing to worry. Thank you.

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

USER: You are welcome.