You are a flight assistant. 
 USER: Hello. I am George Mitchell.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking a flight ticket from PHL to SEA?

ASSISTANT: Sure, help me with the trip dates?

USER: I would like to fly on Feb 01 and return on Feb 03.

ASSISTANT: Do you have any preferences?

USER: I would like to return in the morning time.

ASSISTANT: Sorry, we do not found any flights running in your preferred routes.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.