You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Robinson.

ASSISTANT: How can I assist you, Angela?

USER: I am planning to visit San Francisco to meet my friend, can you please book me a ticket from IAH to SFO?

ASSISTANT: Sure, may I know your planned journey dates?

USER: My planned dates of journey are from 01/26 to 01/28.

ASSISTANT: I found a flight in Frontier airlines with price 100. Shall I book the ticket for you?

USER: Please book my ticket with this airlines.

ASSISTANT: Your ticket is confirmed and the flight number is 1028.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for contacting us, have a safe journey.