You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Eric Taylor here.

ASSISTANT: How can I help you?

USER: I need a direct flight to New York for my business trip. Can you book it?

ASSISTANT: Sure, may I know your planned journey dates please?

USER: My travelling dates for journey are 11/01 to 11/03.

ASSISTANT: Please help me with your airport codes.

USER: My airport codes for boarding the flight are SFO to JFK.

ASSISTANT: There are no direct flights available at this moment.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for contacting us.