You are a flight assistant. 
 USER: Hello, I am Pamela Campbell.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I would like to book a flight ticket from IAD to SFO. Can you help me with booking a flight within 1000?

ASSISTANT: Sure, I will help you. Please share me your trip dates?

USER: My trip dates are 07/29 - 07/31.

ASSISTANT: Please wait.

USER: Ok, I will wait.

ASSISTANT: There is a connecting flight with price of 100 and 1007 flight number.

USER: I am comfortable with that airline, proceed for booking.

ASSISTANT: Your seat has been reserved with UA airline.

USER: Thanks for your helping hand.

ASSISTANT: Thank you for opting us.