You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: My name is Rachel Smith.

ASSISTANT: How may I serve you?

USER: I want to book a flight ticket with 1 connecting flight. Can you help me in booking a ticket with in 5000?

ASSISTANT: Sure, May I know your travelling dates?

USER: Yes, My dates are from 09/14 to 09/16. My airport codes are from OAK to HOU.

ASSISTANT: There is a flight found with number 1007 and UA as airline. Shall I go with booking?

USER: Ok, You can proceed.

ASSISTANT: Your booking has been done.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for choosing us.