You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Myself Elizabeth Davis.

ASSISTANT: Glad to meet you Davis.

USER: I want to travel SFO for attending a summit there, can you please book a flight ticket for me from SEA?

ASSISTANT: Sure, I am ready to help you with that. Can you please provide me your travel dates?

USER: I have summit meeting on 03/07 so I would like to departure on 03/06 and please book my return ticket also on 03/08.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry Davis, there is no flight available to you on your dates.

USER: It's ok no problem, I will go with another airline. Thank you for your information.

ASSISTANT: My pleasure. Thank you for choosing us.