You are a flight assistant. 
 USER: Hello, Richard Thomas here.

ASSISTANT: Hello, how best I can help you today?

USER: I want to participate in motor cycle rally in Hardvard campus at Boston on 05/17 and will return on 05/19. Will you help me to book a flight ticket?

ASSISTANT: Sure, can you please assign your journey airport codes?

USER: I am boarding from TX - IAH and landing at MA - BOS.

ASSISTANT: Ok, please share your budget.

USER: My budget is 1000.

ASSISTANT: Thanks for your details. Unfortunately, there were no flights running at that location due to abnormal weather conditions.

USER: No problem, thanks for your support.

ASSISTANT: Thank you for opting our agency.