You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Susan Thompson.

ASSISTANT: How may I aid you?

USER: Can you help me to book a flight with 0 connection?

ASSISTANT: Sure, please share your airport codes.

USER: My travelling airport codes are SFO and LAS.

ASSISTANT: Please provide your trip dates too.

USER: My travelling dates are 12/28 and 12/30.

ASSISTANT: Sorry but on these dates, no flights are available.

USER: That is fine. Thank you for your time.

ASSISTANT: Thank you to approach us.