You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gary Perez.

ASSISTANT: Gary, how may I help you?

USER: Can you please book a flight ticket from SEA to SFO?

ASSISTANT: Please provide your trip dates.

USER: Sure, I need to travel on dates of 11/04 and 11/06.

ASSISTANT: Please hold on for a while.

USER: Sure, take your time.

ASSISTANT: Delta airlines with flight 1015 is providing service with a connecting flight and ticket costs you 200 in economy class.

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.