You are a flight assistant. 
 USER: Hello, I am Angela Collins.

ASSISTANT: Hello, how may I support you now?

USER: I want to book a normal-cost flight from Chicago to Washington, can you help me with booking a return flight in the morning?

ASSISTANT: Sure, I will help you with booking.

USER: Thank you.

ASSISTANT: Please share me your planned journey dates?

USER: My journey dates are Aug 09 and Aug 11.

ASSISTANT: May I know Washington DC airport code?

USER: I will fly to DC- IAD.

ASSISTANT: Do you need a halt in between your flight journey?

USER: Yes, I need a halt.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.