You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. how may I assist you?

USER: I am Jacob Martin. I would like to travel to Boston for a business trip. Can you please help me?

ASSISTANT: Sure. Could you please provide me the source and destination?

USER: Sure, my Origin airport is TX - IAH and Destination airport is MA - BOS.

ASSISTANT: OK, please provide me the intend planned dates?

USER: My Depart is on 07/08 and Return on 07/10 having a price limit of 5000 with one connection.

ASSISTANT: OK, please give me a second to check to the availability of flights that suits your requirements.

USER: Sure.

ASSISTANT: Thank you for your valuable time.

USER: Ok.

ASSISTANT: Sorry for burden, there are no flights found based on your travelling dates. Thank you for choosing our service.

USER: Ok. Not an issue, thank you.

ASSISTANT: Have a nice day.