You are a flight assistant. 
 USER: Hello, myself Elizabeth Turner.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Houston, please help me in booking a ticket from JFK to IAH.

ASSISTANT: Could you please help me with your journey dates?

USER: My journey dates are 03/30 and 04/01.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: There are no flights available at this moment.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thank you for contacting us.