You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am looking for a direct flight for my journey, can you please find out a flight?

ASSISTANT: I am here to help you about that, can you please provide your planned dates of journey?

USER: Thank you, my date of boarding is on Feb 21 and please book my return ticket on Feb 23.

ASSISTANT: Can you please let me know your nearest airport codes of journey?

USER: Sure, I want to travel from MSP to SEA.

ASSISTANT: Do you have any other requirement for your journey to met with?

USER: I would like to depart at evening time.

ASSISTANT: Can you please let me know your name for booking purpose?

USER: Sure, my name is Carolyn Taylor.

ASSISTANT: Sorry there are no flights which travels on your route Carolyn Taylor.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for the information.

ASSISTANT: You are welcome, thank you for reaching us.