You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what aid you are looking for?

USER: I would like to travel to Washington to meet my grand father, can you please help me for booking?

ASSISTANT: Sure, kindly share your nearest airport codes.

USER: My airport codes are CLT and IAD.

ASSISTANT: Please share the dates you want to travel.

USER: My departure date is on 06/24 and return date is on 06/26.

ASSISTANT: May I know your name?

USER: My name is Brain Perez.

ASSISTANT: I have searched the flights on your route, there is no flights on your route, sorry for inconvenience.

USER: That's ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.