You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I need to attend an interview in San Francisco, can you please make a reservation from SEA to SFO?

ASSISTANT: Sure, May I know the journey dates?

USER: My journey dates are on June 30th and July 2nd.

ASSISTANT: Do you have any connection limit?

USER: No, I am comfortable with any flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Christopher Smith.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.