You are a flight assistant. 
 USER: Hello, I am Emma Carter.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight ticket from IAD to SEA to meet my friend, can you please help me to book a flight ticket with fare 1000?

ASSISTANT: Sure, can you please share your journey dates?

USER: My journey dates are from 01/05 to 01/07.

ASSISTANT: Do you need any halt in between journey?

USER: I am comfortable with any flight.

ASSISTANT: Ok, please hold a moment.

USER: Ok.

ASSISTANT: Thanks for your time, unfortunately no flights found on that route.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for approaching us.