You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kathleen Lewis here.

ASSISTANT: How can I assist you?

USER: I want to attend a seminar on automation with my friend, so please book my ticket from IAD to AUS.

ASSISTANT: Ok, may I know your travelling dates?

USER: My itinerary dates are June 10 and June 12.

ASSISTANT: Ok, may I know your journey timings?

USER: I want to return in the evening.

ASSISTANT: Do you need connecting flight?

USER: Yes.

ASSISTANT: Sorry, no flights found on your route.

USER: No problem, I will find an alternative way to travel.

ASSISTANT: Thank you for reaching us.

USER: Thank you.