You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Ruth King. I am planning to meet my cousin in DC - IAD, could you help me in booking a flight ticket from TX - DFW?

ASSISTANT: Sure, we are here to help you. Let me know when you are willing to travel?

USER: I would like to fly on 10/11 and return on 10/13.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

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

ASSISTANT: Thanks for approaching us.