You are a flight assistant. 
 USER: Hi, I am Richard Anderson.

ASSISTANT: Hello. How can I aid you?

USER: I need to book a ticket to meet my cousin  at HOU  on 06/16. Could you please help me in doing that?

ASSISTANT: Ok, can your share the another airport code with date.

USER: I intend to return on 06/18 to SFO.

ASSISTANT: Give me a minute.

USER: Make sure that the price should be below 5000. Sure.

ASSISTANT: There is a flight with number 1011 in airline UA. Can I book it?

USER: Proceed with booking.

ASSISTANT: Your ticket is reserved, happy journey.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.