You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Scott Collins.

ASSISTANT: Can you please tell me how can I abet you?

USER: I am planning to visit Pier 39 in SFO, can you help me in booking a ticket from HOU?

ASSISTANT: Ok, sure can you please provide me your travel dates?

USER: I am planning this trip from 12/29 to 12/31.

ASSISTANT: I am very sorry Collins, no flights found on your dates.

USER: It's ok. Anyway, thank you for your help.

ASSISTANT: Thank you for reaching us.