You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jack Clark here.

ASSISTANT: How can I help you?

USER: I want to book a flight to meet my aunt, can you please check for the flights from IAH to JFK?

ASSISTANT: Can I know your travelling dates?

USER: My journey dates will be from November 6th and I will be returning on November 8th.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: No issues. Thank you for checking.

ASSISTANT: Thanks.

USER: Most welcome.