You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am planning for a holiday trip, so can you help me to book a flight from OAK to IAH?

ASSISTANT: Can you please share your trip dates?

USER: My travelling dates are May 14 and 16.

ASSISTANT: Do you prefer any connection between your journey?

USER: I need a connecting flight.

ASSISTANT: Do you prefer any specifications?

USER: I am fine with normal cost airlines.

ASSISTANT: No flights found on your route.

USER: No issues.

ASSISTANT: What is your name?

USER: My name is Samantha Brown.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your time.