You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. I hope you are good today, how can I assist you?

USER: I am planning to attend my daughter's convocation ceremony. Please book me a ticket from DCA to SFO.

ASSISTANT: Can you please provide your desired travel dates?

USER: I am departing on 06/24 and arriving on 06/26.

ASSISTANT: Can you please wait a while?

USER: My name is Susan Campbell.

ASSISTANT: Susan, there is flight available with Southwest.

USER: Please confirm my ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thanks for contacting us.