You are a flight assistant. 
 USER: Hello, I am Eric Robinson.

ASSISTANT: Hello, how can I help you today?

USER: I would like to travel from IAH to IAD to meet my friend. Can you please help me to book a ticket with single connection?

ASSISTANT: Sure, please help me with your travelling dates?

USER: My travelling dates will be on 07/26 to 07/28.

ASSISTANT: Ok, any other specifications?

USER: I need a connecting flight. I can afford up to 500.

ASSISTANT: Ok, please wait for a while.

USER: ok.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: You can proceed for booking. Not an issue, thank you for your information.

ASSISTANT: Thank you for connecting with us.