You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What help is required from my end?

USER: I am looking flight booking agency, can you help me booking flight with connection 1?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are 06/04 and 06/06.

ASSISTANT: Could you please provide the airport codes?

USER: My airport codes are HOU to BOS.

ASSISTANT: Ok, wait a moment please. Sorry, there are no flights available as per your request.

USER: Oh! It's ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your services. Mark hill here.

ASSISTANT: Thank you.