You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Anna Thomas here. Can you please help me in booking a ticket from DTW to IAD?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are 12/30 and 01/01.

ASSISTANT: Give me a minute.

USER: Sure, take your time.

ASSISTANT: There is a flight with number 1007 in airline Hawaiian, the fare is 300 with 1 connection. Can I book it?

USER: I need a flight with ticket fare of 200, can you please search for that?

ASSISTANT: Sorry, there is no flight with fare 200 in that route.

USER: That's ok, thank you for your service.

ASSISTANT: Thank you for reaching us.