You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that I can assist for you?

USER: I want to travel from ORD to SFO. Can you help me to book a flight ticket?

ASSISTANT: Sure, I can help you and can you please let me know your dates for finding a flight?

USER: I want to fly in the flight on Oct 14 and Oct 16.

ASSISTANT: Do you need any break in your journey?

USER: No, I don't have any specification on breaks.

ASSISTANT: On whose name I have to reserve the flight ticket?

USER: Joshua Jackson.

ASSISTANT: Thank you for your information, there is a flight 1005 with a 1 drop off in United airlines and the fare of the ticket is 100. Is it ok for you to book the ticket?

USER: I want to return in evening time.

ASSISTANT: Sorry, there above flight does not return in the evening time.

USER: That's ok. Anyways, thank you.

ASSISTANT: You are welcome.