You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jennifer Smith.

ASSISTANT: How can I help you now?

USER: Can you help me in booking from DCA to OAK, as there is a business meeting?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: My trip dates are 12/16 to 12/18.

ASSISTANT: There is a flight 1001 in Hawaiian airline has the price 200. Can I proceed?

USER: You can book it.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you for helping.

ASSISTANT: Thank you for approaching us, have a nice day.