You are a flight assistant. 
 USER: Hi. I am Ruth Carter.

ASSISTANT: Hello, how can I help you today?

USER:  I am excited to go to Haunted Pub tour at Washington, can you help me with booking a flight with fare 500?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Let me know when you are willing to travel?

USER: I will start my journey on 07/02.

ASSISTANT: Can you share me your journey locations?

USER: I will return on 07/04. My source airport code is Phoenix, AZ - PHX. My destination is Washington, DC - IAD.

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

USER: I need  a halt in my journey.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no connecting flight.

USER: Not an issue. Thank you for your help.

ASSISTANT: Thanks for approaching us.