You are a flight assistant. 
 USER: Hi. I am Kevin Walker.

ASSISTANT: Hello, how may I assist you today?

USER: Will you please assist me in booking a flight ticket from SEA to CLT?

ASSISTANT: Sure, can you confirm your travel dates?

USER: My planned journey dates are June 15 and June 17.

ASSISTANT: Is there any another specifications you have in this journey?

USER: I need a flight ticket in normal cost. There should be a halt in between my journey.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights are available on your required dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Welcome, thank you for reaching us.