You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Ashley Roberts.

ASSISTANT: How may I help you?

USER: I want to book a flight ticket from DCA to SFO, could you please help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are 02/21 and 02/23.

ASSISTANT: oK, wait for a minute.

USER: Sure.

ASSISTANT: Yes, I found a flight-1000 with jet blue airlines, can I proceed?

USER: Yes, proceed.

ASSISTANT: Yes, your ticket is confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for contacting us, have a safe journey.

USER: Welcome.