You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amy King.

ASSISTANT: How may I aid you at this moment?

USER: I would like to book a ticket from IAD to SEA, can you please help me out?

ASSISTANT: Sure, provide your travelling dates.

USER: I am travelling on these dates Feb 24th and 26th.

ASSISTANT: Ok, share your class preference.

USER: I don't have any class preference.

ASSISTANT: Ok, may I know your connection limit?

USER: I need a single connected flight.

ASSISTANT: Ok, do you have any other requirements?

USER: I prefer return time in the morning.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There are no flights found on your requested dates.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.