You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: On my name Jonathan Lopez, book a ticket to Washington.

ASSISTANT: Sure, may I know when are you willing to travel?

USER: 07/28-07/30 are the travel dates to attend my cousin's marriage.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: Yes, I need to halt.

ASSISTANT: Please help me with your journey codes.

USER: Chicago, ORD- Washington, IAD are the location codes.

ASSISTANT: Please stand by I will get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry to say no flights found with your details.

USER: Ok.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thanks for sharing the information.