You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking flight ticket from IAD to attend a seminar at SEA in the month of June?

ASSISTANT: Yes, can you tell me your dates of travel in month of June?

USER: Sure, the travelling dates are 05 and 07 of June.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a connection in between the journey.

ASSISTANT: Give me a moment.

USER: Sure, take your own time.

ASSISTANT: Sorry to inform you that there are no flights found on your requested criteria.

USER: That's fine, thank you for the response.

ASSISTANT: Can I know your name for documentation?

USER: Yes, my name is George Hall.

ASSISTANT: Thank you for reaching us.