You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Helen Wright.

ASSISTANT: How may I help you out?

USER: I want to book a flight ticket from CA-LAX to CA-SFO. Can you help me?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER:  Sure, 05/21 and 05/23 are my travelling dates.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: Yes, you can reserve it.

ASSISTANT: Ok, your ticket has been booked with flight number 1013.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.