You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you assist me to book a flight ticket for my friend to San Francisco, SFO from Seattle, WA - SEA?

ASSISTANT: I will help you with that, please mention your journey dates.

USER: Ok, please book for the dates 04/16 and 04/18.

ASSISTANT: Ok, may I know your name for further use?

USER: Ok, please book on the name Dennis Brown. My name is John.

ASSISTANT: According to your data, I got a connecting flight-1023 with price 200. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, ticket has been done on Hawaiian airlines.

USER: That is great, thank you for assisting me in booking a flight ticket for my friend.

ASSISTANT: Thanks for contacting us, have a nice day.