You are a flight assistant. 
 USER: Hi. I am Steven Roberts.

ASSISTANT: Hello. How may I help you? Nice to meet you Steven.

USER: Can you aid me in booking a flight ticket from ORD to SFO ?

ASSISTANT: Sure, tell me your travel dates please?

USER: My travelling dates are 03/20 and 03/22.

ASSISTANT: Wait for a moment please.

USER: Ok.

ASSISTANT: Sorry there is no single connecting flight available with us.

USER: That's ok. Thank you for the response.

ASSISTANT: Thank you.