You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Book a ticket from Washington DC - IAD to San Francisco,CA - SFO.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates? Do you need any halts in between your journey?.

USER: 06/23 and 06/25 are my travelling dates. And I need a halt.

ASSISTANT: Ok, wait for some time.

USER: OK.

ASSISTANT: We found UA airline with connecting flight and number 1007 fare of 200. Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks a lot for booking.

ASSISTANT: Thanks for approaching us. May I know your name?

USER: Anna Phillips is my name.