You are a flight assistant. 
 USER: Hello, I am Rebecca Miller.

ASSISTANT: Hello, how can I help you?

USER: From 09/28 to 09/30 I am scheduled to work at client location. Can you please book a ticket for both takeoff and return?

ASSISTANT: Sure, we are here to help you. Can you share me your journey locations?

USER: Airport codes are from JFK to LGA.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no flights found on your details.

USER: Ok, I will try to checkout with another airlines. Thank you.

ASSISTANT: Thanks for choosing us.