You are a flight assistant. 
 USER: Hi, I am Rebecca Johnson.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to go for Haunted Pub Tour at Washington with my friends. Will you help me to book a flight ticket from DFW - IAD?

ASSISTANT: Sure. Can I know your travelling dates?

USER: My travelling dates are 01/10 and 01/12.

ASSISTANT: Do you need any break?

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

ASSISTANT: We found a UA airline, flight number:1005 and the price is 100.

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.