You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I address you?

USER: I am Susan Perez. I want to book a flight ticket on 07/06 and return on 07/08, so can you help me with booking please?

ASSISTANT: Sure, may I know your journey codes?

USER: Yes, my airport codes are Boston, MA-BOS and Washington, DC-IAD.

ASSISTANT: Do you need any stopover in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Please wait for a minute, I will get back to you.

USER: Ok.

ASSISTANT: The cost of the ticket is 200. Delta airline and flight number is 1026.

USER: Please proceed with booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thanks for reaching us.