You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to travel from SFO to SEA as a holiday trip. Can you do the reservation?

ASSISTANT: Sure, let me know your trip dates?

USER: My journey dates are 10/18 and 10/20.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need break in my journey.

ASSISTANT: Is there any class preference?

USER: I am comfortable with economy class.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your name?

USER: Melissa Jones here.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: No issue, Thanks for the information.

ASSISTANT: Thank you for availing us.