You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Scott Nelson here, I want to reserve my ticket from HOU to BOS, can you please help me out?

ASSISTANT: When you are willing to travel?

USER: Sure, my preferable dates of journey is from 04/02 to 04/04.

ASSISTANT: Wait a moment Scott Nelson.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, there is no flight found on your route.

USER: Ok, no problem.

ASSISTANT: Thanks for contacting us.

USER: Anyways, thank you for your service.