You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ryan Adams here.

ASSISTANT: How can I guide you?

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

ASSISTANT: Ok, may I know your travelling dates for further?

USER: Sure, my preferable dates of journey is from 04/12 to 04/14. I want a direct flight.

ASSISTANT: Sorry, no flights found with direct connection to reserve your ticket.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.