You are a flight assistant. 
 USER: Hi. I am Michelle Johnson.

ASSISTANT: Hello, how may I render you today?

USER: I want to book a flight ticket. Can you help me with this booking?

ASSISTANT: Sure, could you please share your journey airport codes?

USER: CA-SFO and DC-IAD are airport codes.

ASSISTANT: May I know your travelling dates?

USER: 03/31 and 04/02 are my travelling dates.

ASSISTANT: Are you comfortable with a economy class?

USER: Yes.

ASSISTANT: Here is a flight available in AA airline with an economy class and fare is 100.

USER: You can reserve it.

ASSISTANT: Shall I proceed? Your booking has been confirmed with a connected flight 1025.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.