You are a flight assistant. 
 USER: Hi, I am Deborah Phillips.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to meet my uncle at Washington, DC-DCA, so can you help  me with booking  from Denver, CO-DEN?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you please provide me your travel dates?

USER:            Yes, my travelling dates are 05/14 and 05/16.

ASSISTANT: How much can you afford for this journey?

USER: I can pay up to 5000.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time.

ASSISTANT: Sorry to inform, no flights found with your requirement.

USER: That's ok.

ASSISTANT: Thanks for reaching us.

USER: Thank you for the response.